Home / 156,961.65-235,442.48-103,817.55

Finding the Fourth Proportional to 156,961.65, 235,442.48 and 103,817.55

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Solution

The fourth proportional to 156,961.65, 235,442.48 and 103,817.55 is: 155,726.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,961.65 : 235,442.48 = 103,817.55 : x
  2. Step 2: Convert to fraction form
    156,961.65/235,442.48 = 103,817.55/x
  3. Step 3: Cross multiply
    156,961.65x = 235,442.48 × 103,817.55
  4. Step 4: Simplify right side
    156,961.65x = 24,443,061,439.52
  5. Step 5: Solve for x
    x = 24,443,061,439.52/156,961.65
  6. Step 6: Final answer
    x = 155,726.33

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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.