Home / 143,627.64-197,778.17-140,441.30

Finding the Fourth Proportional to 143,627.64, 197,778.17 and 140,441.30

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Solution

The fourth proportional to 143,627.64, 197,778.17 and 140,441.30 is: 193,390.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,627.64 : 197,778.17 = 140,441.30 : x
  2. Step 2: Convert to fraction form
    143,627.64/197,778.17 = 140,441.30/x
  3. Step 3: Cross multiply
    143,627.64x = 197,778.17 × 140,441.30
  4. Step 4: Simplify right side
    143,627.64x = 27,776,223,306.42
  5. Step 5: Solve for x
    x = 27,776,223,306.42/143,627.64
  6. Step 6: Final answer
    x = 193,390.52

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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.