Home / 527,816.32-791,660.49-148,765.48

Finding the Fourth Proportional to 527,816.32, 791,660.49 and 148,765.48

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Solution

The fourth proportional to 527,816.32, 791,660.49 and 148,765.48 is: 223,130.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,816.32 : 791,660.49 = 148,765.48 : x
  2. Step 2: Convert to fraction form
    527,816.32/791,660.49 = 148,765.48/x
  3. Step 3: Cross multiply
    527,816.32x = 791,660.49 × 148,765.48
  4. Step 4: Simplify right side
    527,816.32x = 117,771,752,791.89
  5. Step 5: Solve for x
    x = 117,771,752,791.89/527,816.32
  6. Step 6: Final answer
    x = 223,130.18

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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.