Home / 185,220.52-255,604.08-100,337.92

Finding the Fourth Proportional to 185,220.52, 255,604.08 and 100,337.92

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Solution

The fourth proportional to 185,220.52, 255,604.08 and 100,337.92 is: 138,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,220.52 : 255,604.08 = 100,337.92 : x
  2. Step 2: Convert to fraction form
    185,220.52/255,604.08 = 100,337.92/x
  3. Step 3: Cross multiply
    185,220.52x = 255,604.08 × 100,337.92
  4. Step 4: Simplify right side
    185,220.52x = 25,646,781,730.71
  5. Step 5: Solve for x
    x = 25,646,781,730.71/185,220.52
  6. Step 6: Final answer
    x = 138,466.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.