Home / 148,963.12-223,374.36-54,126.40

Finding the Fourth Proportional to 148,963.12, 223,374.36 and 54,126.40

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Solution

The fourth proportional to 148,963.12, 223,374.36 and 54,126.40 is: 81,164.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,963.12 : 223,374.36 = 54,126.40 : x
  2. Step 2: Convert to fraction form
    148,963.12/223,374.36 = 54,126.40/x
  3. Step 3: Cross multiply
    148,963.12x = 223,374.36 × 54,126.40
  4. Step 4: Simplify right side
    148,963.12x = 12,090,449,959.10
  5. Step 5: Solve for x
    x = 12,090,449,959.10/148,963.12
  6. Step 6: Final answer
    x = 81,164.05

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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.