Home / 108,039.20-162,154.80-63,610.40

Finding the Fourth Proportional to 108,039.20, 162,154.80 and 63,610.40

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Solution

The fourth proportional to 108,039.20, 162,154.80 and 63,610.40 is: 95,472.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,039.20 : 162,154.80 = 63,610.40 : x
  2. Step 2: Convert to fraction form
    108,039.20/162,154.80 = 63,610.40/x
  3. Step 3: Cross multiply
    108,039.20x = 162,154.80 × 63,610.40
  4. Step 4: Simplify right side
    108,039.20x = 10,314,731,689.92
  5. Step 5: Solve for x
    x = 10,314,731,689.92/108,039.20
  6. Step 6: Final answer
    x = 95,472.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.