Home / 237,455.52-327,689.12-128,560.96

Finding the Fourth Proportional to 237,455.52, 327,689.12 and 128,560.96

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Solution

The fourth proportional to 237,455.52, 327,689.12 and 128,560.96 is: 177,414.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,455.52 : 327,689.12 = 128,560.96 : x
  2. Step 2: Convert to fraction form
    237,455.52/327,689.12 = 128,560.96/x
  3. Step 3: Cross multiply
    237,455.52x = 327,689.12 × 128,560.96
  4. Step 4: Simplify right side
    237,455.52x = 42,128,027,848.76
  5. Step 5: Solve for x
    x = 42,128,027,848.76/237,455.52
  6. Step 6: Final answer
    x = 177,414.40

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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.