Home / 276,217.32-414,343.52-86,685.19

Finding the Fourth Proportional to 276,217.32, 414,343.52 and 86,685.19

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Solution

The fourth proportional to 276,217.32, 414,343.52 and 86,685.19 is: 130,033.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,217.32 : 414,343.52 = 86,685.19 : x
  2. Step 2: Convert to fraction form
    276,217.32/414,343.52 = 86,685.19/x
  3. Step 3: Cross multiply
    276,217.32x = 414,343.52 × 86,685.19
  4. Step 4: Simplify right side
    276,217.32x = 35,917,445,612.25
  5. Step 5: Solve for x
    x = 35,917,445,612.25/276,217.32
  6. Step 6: Final answer
    x = 130,033.28

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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.