Home / 156,067.20-215,332.80-94,780.80

Finding the Fourth Proportional to 156,067.20, 215,332.80 and 94,780.80

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Solution

The fourth proportional to 156,067.20, 215,332.80 and 94,780.80 is: 130,773.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,067.20 : 215,332.80 = 94,780.80 : x
  2. Step 2: Convert to fraction form
    156,067.20/215,332.80 = 94,780.80/x
  3. Step 3: Cross multiply
    156,067.20x = 215,332.80 × 94,780.80
  4. Step 4: Simplify right side
    156,067.20x = 20,409,415,050.24
  5. Step 5: Solve for x
    x = 20,409,415,050.24/156,067.20
  6. Step 6: Final answer
    x = 130,773.25

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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.