Home / 156,168.36-234,348.91-61,381.89

Finding the Fourth Proportional to 156,168.36, 234,348.91 and 61,381.89

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Solution

The fourth proportional to 156,168.36, 234,348.91 and 61,381.89 is: 92,110.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,168.36 : 234,348.91 = 61,381.89 : x
  2. Step 2: Convert to fraction form
    156,168.36/234,348.91 = 61,381.89/x
  3. Step 3: Cross multiply
    156,168.36x = 234,348.91 × 61,381.89
  4. Step 4: Simplify right side
    156,168.36x = 14,384,779,294.20
  5. Step 5: Solve for x
    x = 14,384,779,294.20/156,168.36
  6. Step 6: Final answer
    x = 92,110.71

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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.