Home / 185,787.06-256,385.92-100,903.52

Finding the Fourth Proportional to 185,787.06, 256,385.92 and 100,903.52

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Solution

The fourth proportional to 185,787.06, 256,385.92 and 100,903.52 is: 139,246.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,787.06 : 256,385.92 = 100,903.52 : x
  2. Step 2: Convert to fraction form
    185,787.06/256,385.92 = 100,903.52/x
  3. Step 3: Cross multiply
    185,787.06x = 256,385.92 × 100,903.52
  4. Step 4: Simplify right side
    185,787.06x = 25,870,240,272.25
  5. Step 5: Solve for x
    x = 25,870,240,272.25/185,787.06
  6. Step 6: Final answer
    x = 139,246.73

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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.