Home / 152,817.72-229,237.11-63,981.78

Finding the Fourth Proportional to 152,817.72, 229,237.11 and 63,981.78

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Solution

The fourth proportional to 152,817.72, 229,237.11 and 63,981.78 is: 95,977.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,817.72 : 229,237.11 = 63,981.78 : x
  2. Step 2: Convert to fraction form
    152,817.72/229,237.11 = 63,981.78/x
  3. Step 3: Cross multiply
    152,817.72x = 229,237.11 × 63,981.78
  4. Step 4: Simplify right side
    152,817.72x = 14,666,998,339.86
  5. Step 5: Solve for x
    x = 14,666,998,339.86/152,817.72
  6. Step 6: Final answer
    x = 95,977.08

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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.