Home / 145,869.20-218,826.84-62,763.92

Finding the Fourth Proportional to 145,869.20, 218,826.84 and 62,763.92

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Solution

The fourth proportional to 145,869.20, 218,826.84 and 62,763.92 is: 94,155.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,869.20 : 218,826.84 = 62,763.92 : x
  2. Step 2: Convert to fraction form
    145,869.20/218,826.84 = 62,763.92/x
  3. Step 3: Cross multiply
    145,869.20x = 218,826.84 × 62,763.92
  4. Step 4: Simplify right side
    145,869.20x = 13,734,430,279.61
  5. Step 5: Solve for x
    x = 13,734,430,279.61/145,869.20
  6. Step 6: Final answer
    x = 94,155.79

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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.