Home / 155,169.19-232,748.92-42,856.21

Finding the Fourth Proportional to 155,169.19, 232,748.92 and 42,856.21

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Solution

The fourth proportional to 155,169.19, 232,748.92 and 42,856.21 is: 64,282.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,169.19 : 232,748.92 = 42,856.21 : x
  2. Step 2: Convert to fraction form
    155,169.19/232,748.92 = 42,856.21/x
  3. Step 3: Cross multiply
    155,169.19x = 232,748.92 × 42,856.21
  4. Step 4: Simplify right side
    155,169.19x = 9,974,736,592.79
  5. Step 5: Solve for x
    x = 9,974,736,592.79/155,169.19
  6. Step 6: Final answer
    x = 64,282.97

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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.