Home / 179,038.50-247,073.40-103,591.86

Finding the Fourth Proportional to 179,038.50, 247,073.40 and 103,591.86

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Solution

The fourth proportional to 179,038.50, 247,073.40 and 103,591.86 is: 142,956.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,038.50 : 247,073.40 = 103,591.86 : x
  2. Step 2: Convert to fraction form
    179,038.50/247,073.40 = 103,591.86/x
  3. Step 3: Cross multiply
    179,038.50x = 247,073.40 × 103,591.86
  4. Step 4: Simplify right side
    179,038.50x = 25,594,793,062.52
  5. Step 5: Solve for x
    x = 25,594,793,062.52/179,038.50
  6. Step 6: Final answer
    x = 142,956.92

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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.