Home / 384,921.44-577,228.96-148,132.48

Finding the Fourth Proportional to 384,921.44, 577,228.96 and 148,132.48

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Solution

The fourth proportional to 384,921.44, 577,228.96 and 148,132.48 is: 222,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,921.44 : 577,228.96 = 148,132.48 : x
  2. Step 2: Convert to fraction form
    384,921.44/577,228.96 = 148,132.48/x
  3. Step 3: Cross multiply
    384,921.44x = 577,228.96 × 148,132.48
  4. Step 4: Simplify right side
    384,921.44x = 85,506,357,372.62
  5. Step 5: Solve for x
    x = 85,506,357,372.62/384,921.44
  6. Step 6: Final answer
    x = 222,139.76

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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.