Home / 140,184.57-193,524.10-86,499.17

Finding the Fourth Proportional to 140,184.57, 193,524.10 and 86,499.17

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Solution

The fourth proportional to 140,184.57, 193,524.10 and 86,499.17 is: 119,411.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,184.57 : 193,524.10 = 86,499.17 : x
  2. Step 2: Convert to fraction form
    140,184.57/193,524.10 = 86,499.17/x
  3. Step 3: Cross multiply
    140,184.57x = 193,524.10 × 86,499.17
  4. Step 4: Simplify right side
    140,184.57x = 16,739,672,841.13
  5. Step 5: Solve for x
    x = 16,739,672,841.13/140,184.57
  6. Step 6: Final answer
    x = 119,411.66

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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.