Home / 156,123.90-234,185.85-153,791.10

Finding the Fourth Proportional to 156,123.90, 234,185.85 and 153,791.10

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Solution

The fourth proportional to 156,123.90, 234,185.85 and 153,791.10 is: 230,686.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,123.90 : 234,185.85 = 153,791.10 : x
  2. Step 2: Convert to fraction form
    156,123.90/234,185.85 = 153,791.10/x
  3. Step 3: Cross multiply
    156,123.90x = 234,185.85 × 153,791.10
  4. Step 4: Simplify right side
    156,123.90x = 36,015,699,475.94
  5. Step 5: Solve for x
    x = 36,015,699,475.94/156,123.90
  6. Step 6: Final answer
    x = 230,686.65

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1.5x scale

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.