Home / 159,432.40-238,943.80-66,002.64

Finding the Fourth Proportional to 159,432.40, 238,943.80 and 66,002.64

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Solution

The fourth proportional to 159,432.40, 238,943.80 and 66,002.64 is: 98,919.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,432.40 : 238,943.80 = 66,002.64 : x
  2. Step 2: Convert to fraction form
    159,432.40/238,943.80 = 66,002.64/x
  3. Step 3: Cross multiply
    159,432.40x = 238,943.80 × 66,002.64
  4. Step 4: Simplify right side
    159,432.40x = 15,770,921,611.63
  5. Step 5: Solve for x
    x = 15,770,921,611.63/159,432.40
  6. Step 6: Final answer
    x = 98,919.18

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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.