Home / 131,189.60-196,687.20-56,248.40

Finding the Fourth Proportional to 131,189.60, 196,687.20 and 56,248.40

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Solution

The fourth proportional to 131,189.60, 196,687.20 and 56,248.40 is: 84,330.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,189.60 : 196,687.20 = 56,248.40 : x
  2. Step 2: Convert to fraction form
    131,189.60/196,687.20 = 56,248.40/x
  3. Step 3: Cross multiply
    131,189.60x = 196,687.20 × 56,248.40
  4. Step 4: Simplify right side
    131,189.60x = 11,063,340,300.48
  5. Step 5: Solve for x
    x = 11,063,340,300.48/131,189.60
  6. Step 6: Final answer
    x = 84,330.92

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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.