Home / 152,933.85-229,400.78-42,125.85

Finding the Fourth Proportional to 152,933.85, 229,400.78 and 42,125.85

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Solution

The fourth proportional to 152,933.85, 229,400.78 and 42,125.85 is: 63,188.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,933.85 : 229,400.78 = 42,125.85 : x
  2. Step 2: Convert to fraction form
    152,933.85/229,400.78 = 42,125.85/x
  3. Step 3: Cross multiply
    152,933.85x = 229,400.78 × 42,125.85
  4. Step 4: Simplify right side
    152,933.85x = 9,663,702,637.53
  5. Step 5: Solve for x
    x = 9,663,702,637.53/152,933.85
  6. Step 6: Final answer
    x = 63,188.78

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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.