Home / 113,434.48-156,536.92-63,132.40

Finding the Fourth Proportional to 113,434.48, 156,536.92 and 63,132.40

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Solution

The fourth proportional to 113,434.48, 156,536.92 and 63,132.40 is: 87,121.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,434.48 : 156,536.92 = 63,132.40 : x
  2. Step 2: Convert to fraction form
    113,434.48/156,536.92 = 63,132.40/x
  3. Step 3: Cross multiply
    113,434.48x = 156,536.92 × 63,132.40
  4. Step 4: Simplify right side
    113,434.48x = 9,882,551,448.21
  5. Step 5: Solve for x
    x = 9,882,551,448.21/113,434.48
  6. Step 6: Final answer
    x = 87,121.23

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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.