Home / 118,384.09-163,373.97-64,674.10

Finding the Fourth Proportional to 118,384.09, 163,373.97 and 64,674.10

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Solution

The fourth proportional to 118,384.09, 163,373.97 and 64,674.10 is: 89,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,384.09 : 163,373.97 = 64,674.10 : x
  2. Step 2: Convert to fraction form
    118,384.09/163,373.97 = 64,674.10/x
  3. Step 3: Cross multiply
    118,384.09x = 163,373.97 × 64,674.10
  4. Step 4: Simplify right side
    118,384.09x = 10,566,064,473.18
  5. Step 5: Solve for x
    x = 10,566,064,473.18/118,384.09
  6. Step 6: Final answer
    x = 89,252.40

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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.