Home / 237,738.15-328,112.28-147,123.30

Finding the Fourth Proportional to 237,738.15, 328,112.28 and 147,123.30

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Solution

The fourth proportional to 237,738.15, 328,112.28 and 147,123.30 is: 203,050.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,738.15 : 328,112.28 = 147,123.30 : x
  2. Step 2: Convert to fraction form
    237,738.15/328,112.28 = 147,123.30/x
  3. Step 3: Cross multiply
    237,738.15x = 328,112.28 × 147,123.30
  4. Step 4: Simplify right side
    237,738.15x = 48,272,961,404.12
  5. Step 5: Solve for x
    x = 48,272,961,404.12/237,738.15
  6. Step 6: Final answer
    x = 203,050.97

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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.