Home / 151,411.20-227,116.80-121,886.70

Finding the Fourth Proportional to 151,411.20, 227,116.80 and 121,886.70

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Solution

The fourth proportional to 151,411.20, 227,116.80 and 121,886.70 is: 182,830.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,411.20 : 227,116.80 = 121,886.70 : x
  2. Step 2: Convert to fraction form
    151,411.20/227,116.80 = 121,886.70/x
  3. Step 3: Cross multiply
    151,411.20x = 227,116.80 × 121,886.70
  4. Step 4: Simplify right side
    151,411.20x = 27,682,517,266.56
  5. Step 5: Solve for x
    x = 27,682,517,266.56/151,411.20
  6. Step 6: Final answer
    x = 182,830.05

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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.