Home / 227,752.42-314,382.21-137,112.61

Finding the Fourth Proportional to 227,752.42, 314,382.21 and 137,112.61

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Solution

The fourth proportional to 227,752.42, 314,382.21 and 137,112.61 is: 189,265.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,752.42 : 314,382.21 = 137,112.61 : x
  2. Step 2: Convert to fraction form
    227,752.42/314,382.21 = 137,112.61/x
  3. Step 3: Cross multiply
    227,752.42x = 314,382.21 × 137,112.61
  4. Step 4: Simplify right side
    227,752.42x = 43,105,765,350.67
  5. Step 5: Solve for x
    x = 43,105,765,350.67/227,752.42
  6. Step 6: Final answer
    x = 189,265.89

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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.