Home / 347,834.38-521,726.05-111,113.50

Finding the Fourth Proportional to 347,834.38, 521,726.05 and 111,113.50

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Solution

The fourth proportional to 347,834.38, 521,726.05 and 111,113.50 is: 166,662.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,834.38 : 521,726.05 = 111,113.50 : x
  2. Step 2: Convert to fraction form
    347,834.38/521,726.05 = 111,113.50/x
  3. Step 3: Cross multiply
    347,834.38x = 521,726.05 × 111,113.50
  4. Step 4: Simplify right side
    347,834.38x = 57,970,806,291.25
  5. Step 5: Solve for x
    x = 57,970,806,291.25/347,834.38
  6. Step 6: Final answer
    x = 166,662.10

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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.