Home / 161,834.91-223,227.93-107,385.90

Finding the Fourth Proportional to 161,834.91, 223,227.93 and 107,385.90

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Solution

The fourth proportional to 161,834.91, 223,227.93 and 107,385.90 is: 148,123.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,834.91 : 223,227.93 = 107,385.90 : x
  2. Step 2: Convert to fraction form
    161,834.91/223,227.93 = 107,385.90/x
  3. Step 3: Cross multiply
    161,834.91x = 223,227.93 × 107,385.90
  4. Step 4: Simplify right side
    161,834.91x = 23,971,532,168.19
  5. Step 5: Solve for x
    x = 23,971,532,168.19/161,834.91
  6. Step 6: Final answer
    x = 148,123.37

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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.