Home / 117,352.28-161,946.08-63,637.13

Finding the Fourth Proportional to 117,352.28, 161,946.08 and 63,637.13

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Solution

The fourth proportional to 117,352.28, 161,946.08 and 63,637.13 is: 87,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,352.28 : 161,946.08 = 63,637.13 : x
  2. Step 2: Convert to fraction form
    117,352.28/161,946.08 = 63,637.13/x
  3. Step 3: Cross multiply
    117,352.28x = 161,946.08 × 63,637.13
  4. Step 4: Simplify right side
    117,352.28x = 10,305,782,618.03
  5. Step 5: Solve for x
    x = 10,305,782,618.03/117,352.28
  6. Step 6: Final answer
    x = 87,819.20

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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.