Home / 96,230.10-144,345.15-86,898.90

Finding the Fourth Proportional to 96,230.10, 144,345.15 and 86,898.90

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Solution

The fourth proportional to 96,230.10, 144,345.15 and 86,898.90 is: 130,348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,230.10 : 144,345.15 = 86,898.90 : x
  2. Step 2: Convert to fraction form
    96,230.10/144,345.15 = 86,898.90/x
  3. Step 3: Cross multiply
    96,230.10x = 144,345.15 × 86,898.90
  4. Step 4: Simplify right side
    96,230.10x = 12,543,434,755.34
  5. Step 5: Solve for x
    x = 12,543,434,755.34/96,230.10
  6. Step 6: Final answer
    x = 130,348.35

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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.