Home / 269,177.12-371,459.52-156,010.40

Finding the Fourth Proportional to 269,177.12, 371,459.52 and 156,010.40

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Solution

The fourth proportional to 269,177.12, 371,459.52 and 156,010.40 is: 215,291.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,177.12 : 371,459.52 = 156,010.40 : x
  2. Step 2: Convert to fraction form
    269,177.12/371,459.52 = 156,010.40/x
  3. Step 3: Cross multiply
    269,177.12x = 371,459.52 × 156,010.40
  4. Step 4: Simplify right side
    269,177.12x = 57,951,548,299.01
  5. Step 5: Solve for x
    x = 57,951,548,299.01/269,177.12
  6. Step 6: Final answer
    x = 215,291.51

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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.