Home / 151,609.19-227,462.99-72,729.59

Finding the Fourth Proportional to 151,609.19, 227,462.99 and 72,729.59

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Solution

The fourth proportional to 151,609.19, 227,462.99 and 72,729.59 is: 109,117.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,609.19 : 227,462.99 = 72,729.59 : x
  2. Step 2: Convert to fraction form
    151,609.19/227,462.99 = 72,729.59/x
  3. Step 3: Cross multiply
    151,609.19x = 227,462.99 × 72,729.59
  4. Step 4: Simplify right side
    151,609.19x = 16,543,288,501.91
  5. Step 5: Solve for x
    x = 16,543,288,501.91/151,609.19
  6. Step 6: Final answer
    x = 109,117.98

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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.