Home / 257,598.50-386,635.55-185,626.13

Finding the Fourth Proportional to 257,598.50, 386,635.55 and 185,626.13

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Solution

The fourth proportional to 257,598.50, 386,635.55 and 185,626.13 is: 278,610.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,598.50 : 386,635.55 = 185,626.13 : x
  2. Step 2: Convert to fraction form
    257,598.50/386,635.55 = 185,626.13/x
  3. Step 3: Cross multiply
    257,598.50x = 386,635.55 × 185,626.13
  4. Step 4: Simplify right side
    257,598.50x = 71,769,658,005.61
  5. Step 5: Solve for x
    x = 71,769,658,005.61/257,598.50
  6. Step 6: Final answer
    x = 278,610.55

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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.