Home / 127,777.60-191,544.35-47,793.89

Finding the Fourth Proportional to 127,777.60, 191,544.35 and 47,793.89

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Solution

The fourth proportional to 127,777.60, 191,544.35 and 47,793.89 is: 71,645.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,777.60 : 191,544.35 = 47,793.89 : x
  2. Step 2: Convert to fraction form
    127,777.60/191,544.35 = 47,793.89/x
  3. Step 3: Cross multiply
    127,777.60x = 191,544.35 × 47,793.89
  4. Step 4: Simplify right side
    127,777.60x = 9,154,648,789.56
  5. Step 5: Solve for x
    x = 9,154,648,789.56/127,777.60
  6. Step 6: Final answer
    x = 71,645.18

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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.