Home / 137,225.20-206,010.60-74,095.60

Finding the Fourth Proportional to 137,225.20, 206,010.60 and 74,095.60

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Solution

The fourth proportional to 137,225.20, 206,010.60 and 74,095.60 is: 111,236.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,225.20 : 206,010.60 = 74,095.60 : x
  2. Step 2: Convert to fraction form
    137,225.20/206,010.60 = 74,095.60/x
  3. Step 3: Cross multiply
    137,225.20x = 206,010.60 × 74,095.60
  4. Step 4: Simplify right side
    137,225.20x = 15,264,479,013.36
  5. Step 5: Solve for x
    x = 15,264,479,013.36/137,225.20
  6. Step 6: Final answer
    x = 111,236.70

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1.5x scale

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.