Home / 237,473.78-327,711.47-128,577.58

Finding the Fourth Proportional to 237,473.78, 327,711.47 and 128,577.58

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Solution

The fourth proportional to 237,473.78, 327,711.47 and 128,577.58 is: 177,435.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,473.78 : 327,711.47 = 128,577.58 : x
  2. Step 2: Convert to fraction form
    237,473.78/327,711.47 = 128,577.58/x
  3. Step 3: Cross multiply
    237,473.78x = 327,711.47 × 128,577.58
  4. Step 4: Simplify right side
    237,473.78x = 42,136,347,011.92
  5. Step 5: Solve for x
    x = 42,136,347,011.92/237,473.78
  6. Step 6: Final answer
    x = 177,435.79

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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.