Home / 104,434.20-144,118.71-56,687.13

Finding the Fourth Proportional to 104,434.20, 144,118.71 and 56,687.13

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Solution

The fourth proportional to 104,434.20, 144,118.71 and 56,687.13 is: 78,227.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,434.20 : 144,118.71 = 56,687.13 : x
  2. Step 2: Convert to fraction form
    104,434.20/144,118.71 = 56,687.13/x
  3. Step 3: Cross multiply
    104,434.20x = 144,118.71 × 56,687.13
  4. Step 4: Simplify right side
    104,434.20x = 8,169,676,049.20
  5. Step 5: Solve for x
    x = 8,169,676,049.20/104,434.20
  6. Step 6: Final answer
    x = 78,227.98

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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.