Home / 347,834.75-521,726.61-111,113.87

Finding the Fourth Proportional to 347,834.75, 521,726.61 and 111,113.87

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Solution

The fourth proportional to 347,834.75, 521,726.61 and 111,113.87 is: 166,662.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,834.75 : 521,726.61 = 111,113.87 : x
  2. Step 2: Convert to fraction form
    347,834.75/521,726.61 = 111,113.87/x
  3. Step 3: Cross multiply
    347,834.75x = 521,726.61 × 111,113.87
  4. Step 4: Simplify right side
    347,834.75x = 57,971,064,023.40
  5. Step 5: Solve for x
    x = 57,971,064,023.40/347,834.75
  6. Step 6: Final answer
    x = 166,662.66

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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.