Home / 148,959.10-223,438.65-138,024.10

Finding the Fourth Proportional to 148,959.10, 223,438.65 and 138,024.10

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Solution

The fourth proportional to 148,959.10, 223,438.65 and 138,024.10 is: 207,036.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,959.10 : 223,438.65 = 138,024.10 : x
  2. Step 2: Convert to fraction form
    148,959.10/223,438.65 = 138,024.10/x
  3. Step 3: Cross multiply
    148,959.10x = 223,438.65 × 138,024.10
  4. Step 4: Simplify right side
    148,959.10x = 30,839,918,571.47
  5. Step 5: Solve for x
    x = 30,839,918,571.47/148,959.10
  6. Step 6: Final answer
    x = 207,036.15

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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.