Home / 151,427.40-227,141.10-141,585.90

Finding the Fourth Proportional to 151,427.40, 227,141.10 and 141,585.90

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Solution

The fourth proportional to 151,427.40, 227,141.10 and 141,585.90 is: 212,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,427.40 : 227,141.10 = 141,585.90 : x
  2. Step 2: Convert to fraction form
    151,427.40/227,141.10 = 141,585.90/x
  3. Step 3: Cross multiply
    151,427.40x = 227,141.10 × 141,585.90
  4. Step 4: Simplify right side
    151,427.40x = 32,159,977,070.49
  5. Step 5: Solve for x
    x = 32,159,977,070.49/151,427.40
  6. Step 6: Final answer
    x = 212,378.85

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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.