Home / 148,769.76-223,156.45-43,590.86

Finding the Fourth Proportional to 148,769.76, 223,156.45 and 43,590.86

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Solution

The fourth proportional to 148,769.76, 223,156.45 and 43,590.86 is: 65,386.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,769.76 : 223,156.45 = 43,590.86 : x
  2. Step 2: Convert to fraction form
    148,769.76/223,156.45 = 43,590.86/x
  3. Step 3: Cross multiply
    148,769.76x = 223,156.45 × 43,590.86
  4. Step 4: Simplify right side
    148,769.76x = 9,727,581,570.05
  5. Step 5: Solve for x
    x = 9,727,581,570.05/148,769.76
  6. Step 6: Final answer
    x = 65,386.82

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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.