Home / 118,323.84-163,287.69-64,609.23

Finding the Fourth Proportional to 118,323.84, 163,287.69 and 64,609.23

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Solution

The fourth proportional to 118,323.84, 163,287.69 and 64,609.23 is: 89,161.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,323.84 : 163,287.69 = 64,609.23 : x
  2. Step 2: Convert to fraction form
    118,323.84/163,287.69 = 64,609.23/x
  3. Step 3: Cross multiply
    118,323.84x = 163,287.69 × 64,609.23
  4. Step 4: Simplify right side
    118,323.84x = 10,549,891,919.38
  5. Step 5: Solve for x
    x = 10,549,891,919.38/118,323.84
  6. Step 6: Final answer
    x = 89,161.17

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.