Home / 247,709.03-341,840.19-134,531.78

Finding the Fourth Proportional to 247,709.03, 341,840.19 and 134,531.78

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Solution

The fourth proportional to 247,709.03, 341,840.19 and 134,531.78 is: 185,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,709.03 : 341,840.19 = 134,531.78 : x
  2. Step 2: Convert to fraction form
    247,709.03/341,840.19 = 134,531.78/x
  3. Step 3: Cross multiply
    247,709.03x = 341,840.19 × 134,531.78
  4. Step 4: Simplify right side
    247,709.03x = 45,988,367,527.04
  5. Step 5: Solve for x
    x = 45,988,367,527.04/247,709.03
  6. Step 6: Final answer
    x = 185,654.79

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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.