Home / 156,349.08-234,520.38-38,021.04

Finding the Fourth Proportional to 156,349.08, 234,520.38 and 38,021.04

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Solution

The fourth proportional to 156,349.08, 234,520.38 and 38,021.04 is: 57,030.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,349.08 : 234,520.38 = 38,021.04 : x
  2. Step 2: Convert to fraction form
    156,349.08/234,520.38 = 38,021.04/x
  3. Step 3: Cross multiply
    156,349.08x = 234,520.38 × 38,021.04
  4. Step 4: Simplify right side
    156,349.08x = 8,916,708,748.80
  5. Step 5: Solve for x
    x = 8,916,708,748.80/156,349.08
  6. Step 6: Final answer
    x = 57,030.77

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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.