Home / 168,123.72-231,937.20-110,688.96

Finding the Fourth Proportional to 168,123.72, 231,937.20 and 110,688.96

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Solution

The fourth proportional to 168,123.72, 231,937.20 and 110,688.96 is: 152,702.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,123.72 : 231,937.20 = 110,688.96 : x
  2. Step 2: Convert to fraction form
    168,123.72/231,937.20 = 110,688.96/x
  3. Step 3: Cross multiply
    168,123.72x = 231,937.20 × 110,688.96
  4. Step 4: Simplify right side
    168,123.72x = 25,672,887,453.31
  5. Step 5: Solve for x
    x = 25,672,887,453.31/168,123.72
  6. Step 6: Final answer
    x = 152,702.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.