Home / 142,246.52-213,444.30-92,314.88

Finding the Fourth Proportional to 142,246.52, 213,444.30 and 92,314.88

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Solution

The fourth proportional to 142,246.52, 213,444.30 and 92,314.88 is: 138,520.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,246.52 : 213,444.30 = 92,314.88 : x
  2. Step 2: Convert to fraction form
    142,246.52/213,444.30 = 92,314.88/x
  3. Step 3: Cross multiply
    142,246.52x = 213,444.30 × 92,314.88
  4. Step 4: Simplify right side
    142,246.52x = 19,704,084,941.18
  5. Step 5: Solve for x
    x = 19,704,084,941.18/142,246.52
  6. Step 6: Final answer
    x = 138,520.68

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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.