Home / 251,449.11-347,001.57-136,727.60

Finding the Fourth Proportional to 251,449.11, 347,001.57 and 136,727.60

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Solution

The fourth proportional to 251,449.11, 347,001.57 and 136,727.60 is: 188,685.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,449.11 : 347,001.57 = 136,727.60 : x
  2. Step 2: Convert to fraction form
    251,449.11/347,001.57 = 136,727.60/x
  3. Step 3: Cross multiply
    251,449.11x = 347,001.57 × 136,727.60
  4. Step 4: Simplify right side
    251,449.11x = 47,444,690,127.32
  5. Step 5: Solve for x
    x = 47,444,690,127.32/251,449.11
  6. Step 6: Final answer
    x = 188,685.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.