Home / 115,536.10-159,354.45-73,053.70

Finding the Fourth Proportional to 115,536.10, 159,354.45 and 73,053.70

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Solution

The fourth proportional to 115,536.10, 159,354.45 and 73,053.70 is: 100,760.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,536.10 : 159,354.45 = 73,053.70 : x
  2. Step 2: Convert to fraction form
    115,536.10/159,354.45 = 73,053.70/x
  3. Step 3: Cross multiply
    115,536.10x = 159,354.45 × 73,053.70
  4. Step 4: Simplify right side
    115,536.10x = 11,641,432,183.97
  5. Step 5: Solve for x
    x = 11,641,432,183.97/115,536.10
  6. Step 6: Final answer
    x = 100,760.13

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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.