Home / 156,614.78-234,757.35-99,731.93

Finding the Fourth Proportional to 156,614.78, 234,757.35 and 99,731.93

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Solution

The fourth proportional to 156,614.78, 234,757.35 and 99,731.93 is: 149,492.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,614.78 : 234,757.35 = 99,731.93 : x
  2. Step 2: Convert to fraction form
    156,614.78/234,757.35 = 99,731.93/x
  3. Step 3: Cross multiply
    156,614.78x = 234,757.35 × 99,731.93
  4. Step 4: Simplify right side
    156,614.78x = 23,412,803,597.19
  5. Step 5: Solve for x
    x = 23,412,803,597.19/156,614.78
  6. Step 6: Final answer
    x = 149,492.94

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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.