Home / 151,909.11-228,006.68-77,082.98

Finding the Fourth Proportional to 151,909.11, 228,006.68 and 77,082.98

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Solution

The fourth proportional to 151,909.11, 228,006.68 and 77,082.98 is: 115,697.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,909.11 : 228,006.68 = 77,082.98 : x
  2. Step 2: Convert to fraction form
    151,909.11/228,006.68 = 77,082.98/x
  3. Step 3: Cross multiply
    151,909.11x = 228,006.68 × 77,082.98
  4. Step 4: Simplify right side
    151,909.11x = 17,575,432,828.86
  5. Step 5: Solve for x
    x = 17,575,432,828.86/151,909.11
  6. Step 6: Final answer
    x = 115,697.03

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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.