Home / 185,732.40-278,566.20-67,342.80

Finding the Fourth Proportional to 185,732.40, 278,566.20 and 67,342.80

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Solution

The fourth proportional to 185,732.40, 278,566.20 and 67,342.80 is: 101,002.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,732.40 : 278,566.20 = 67,342.80 : x
  2. Step 2: Convert to fraction form
    185,732.40/278,566.20 = 67,342.80/x
  3. Step 3: Cross multiply
    185,732.40x = 278,566.20 × 67,342.80
  4. Step 4: Simplify right side
    185,732.40x = 18,759,427,893.36
  5. Step 5: Solve for x
    x = 18,759,427,893.36/185,732.40
  6. Step 6: Final answer
    x = 101,002.45

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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.