Home / 185,748.12-278,498.34-67,404.06

Finding the Fourth Proportional to 185,748.12, 278,498.34 and 67,404.06

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Solution

The fourth proportional to 185,748.12, 278,498.34 and 67,404.06 is: 101,061.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,748.12 : 278,498.34 = 67,404.06 : x
  2. Step 2: Convert to fraction form
    185,748.12/278,498.34 = 67,404.06/x
  3. Step 3: Cross multiply
    185,748.12x = 278,498.34 × 67,404.06
  4. Step 4: Simplify right side
    185,748.12x = 18,771,918,819.26
  5. Step 5: Solve for x
    x = 18,771,918,819.26/185,748.12
  6. Step 6: Final answer
    x = 101,061.15

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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.