Home / 185,764.76-256,433.85-125,417.15

Finding the Fourth Proportional to 185,764.76, 256,433.85 and 125,417.15

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Solution

The fourth proportional to 185,764.76, 256,433.85 and 125,417.15 is: 173,128.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,764.76 : 256,433.85 = 125,417.15 : x
  2. Step 2: Convert to fraction form
    185,764.76/256,433.85 = 125,417.15/x
  3. Step 3: Cross multiply
    185,764.76x = 256,433.85 × 125,417.15
  4. Step 4: Simplify right side
    185,764.76x = 32,161,202,630.53
  5. Step 5: Solve for x
    x = 32,161,202,630.53/185,764.76
  6. Step 6: Final answer
    x = 173,128.65

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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.