Home / 156,427.90-234,639.42-38,098.24

Finding the Fourth Proportional to 156,427.90, 234,639.42 and 38,098.24

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Solution

The fourth proportional to 156,427.90, 234,639.42 and 38,098.24 is: 57,146.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,427.90 : 234,639.42 = 38,098.24 : x
  2. Step 2: Convert to fraction form
    156,427.90/234,639.42 = 38,098.24/x
  3. Step 3: Cross multiply
    156,427.90x = 234,639.42 × 38,098.24
  4. Step 4: Simplify right side
    156,427.90x = 8,939,348,936.62
  5. Step 5: Solve for x
    x = 8,939,348,936.62/156,427.90
  6. Step 6: Final answer
    x = 57,146.77

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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.