Home / 137,444.54-206,246.10-74,264.84

Finding the Fourth Proportional to 137,444.54, 206,246.10 and 74,264.84

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Solution

The fourth proportional to 137,444.54, 206,246.10 and 74,264.84 is: 111,440.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,444.54 : 206,246.10 = 74,264.84 : x
  2. Step 2: Convert to fraction form
    137,444.54/206,246.10 = 74,264.84/x
  3. Step 3: Cross multiply
    137,444.54x = 206,246.10 × 74,264.84
  4. Step 4: Simplify right side
    137,444.54x = 15,316,833,617.12
  5. Step 5: Solve for x
    x = 15,316,833,617.12/137,444.54
  6. Step 6: Final answer
    x = 111,440.10

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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.