Home / 185,346.30-255,778.15-100,463.34

Finding the Fourth Proportional to 185,346.30, 255,778.15 and 100,463.34

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Solution

The fourth proportional to 185,346.30, 255,778.15 and 100,463.34 is: 138,639.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,346.30 : 255,778.15 = 100,463.34 : x
  2. Step 2: Convert to fraction form
    185,346.30/255,778.15 = 100,463.34/x
  3. Step 3: Cross multiply
    185,346.30x = 255,778.15 × 100,463.34
  4. Step 4: Simplify right side
    185,346.30x = 25,696,327,248.02
  5. Step 5: Solve for x
    x = 25,696,327,248.02/185,346.30
  6. Step 6: Final answer
    x = 138,639.55

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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.