Home / 527,405.16-791,154.36-148,329.12

Finding the Fourth Proportional to 527,405.16, 791,154.36 and 148,329.12

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Solution

The fourth proportional to 527,405.16, 791,154.36 and 148,329.12 is: 222,506.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,405.16 : 791,154.36 = 148,329.12 : x
  2. Step 2: Convert to fraction form
    527,405.16/791,154.36 = 148,329.12/x
  3. Step 3: Cross multiply
    527,405.16x = 791,154.36 × 148,329.12
  4. Step 4: Simplify right side
    527,405.16x = 117,351,230,002.96
  5. Step 5: Solve for x
    x = 117,351,230,002.96/527,405.16
  6. Step 6: Final answer
    x = 222,506.79

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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.