Home / 185,971.52-278,787.18-80,752.52

Finding the Fourth Proportional to 185,971.52, 278,787.18 and 80,752.52

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Solution

The fourth proportional to 185,971.52, 278,787.18 and 80,752.52 is: 121,054.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,971.52 : 278,787.18 = 80,752.52 : x
  2. Step 2: Convert to fraction form
    185,971.52/278,787.18 = 80,752.52/x
  3. Step 3: Cross multiply
    185,971.52x = 278,787.18 × 80,752.52
  4. Step 4: Simplify right side
    185,971.52x = 22,512,767,328.69
  5. Step 5: Solve for x
    x = 22,512,767,328.69/185,971.52
  6. Step 6: Final answer
    x = 121,054.92

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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.