Home / 118,282.44-163,233.72-64,570.64

Finding the Fourth Proportional to 118,282.44, 163,233.72 and 64,570.64

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Solution

The fourth proportional to 118,282.44, 163,233.72 and 64,570.64 is: 89,109.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,282.44 : 163,233.72 = 64,570.64 : x
  2. Step 2: Convert to fraction form
    118,282.44/163,233.72 = 64,570.64/x
  3. Step 3: Cross multiply
    118,282.44x = 163,233.72 × 64,570.64
  4. Step 4: Simplify right side
    118,282.44x = 10,540,105,769.98
  5. Step 5: Solve for x
    x = 10,540,105,769.98/118,282.44
  6. Step 6: Final answer
    x = 89,109.64

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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.