Home / 117,951.20-176,667.60-71,122.40

Finding the Fourth Proportional to 117,951.20, 176,667.60 and 71,122.40

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Solution

The fourth proportional to 117,951.20, 176,667.60 and 71,122.40 is: 106,527.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,951.20 : 176,667.60 = 71,122.40 : x
  2. Step 2: Convert to fraction form
    117,951.20/176,667.60 = 71,122.40/x
  3. Step 3: Cross multiply
    117,951.20x = 176,667.60 × 71,122.40
  4. Step 4: Simplify right side
    117,951.20x = 12,565,023,714.24
  5. Step 5: Solve for x
    x = 12,565,023,714.24/117,951.20
  6. Step 6: Final answer
    x = 106,527.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.