Home / 127,837.20-191,719.35-39,069.30

Finding the Fourth Proportional to 127,837.20, 191,719.35 and 39,069.30

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Solution

The fourth proportional to 127,837.20, 191,719.35 and 39,069.30 is: 58,592.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,837.20 : 191,719.35 = 39,069.30 : x
  2. Step 2: Convert to fraction form
    127,837.20/191,719.35 = 39,069.30/x
  3. Step 3: Cross multiply
    127,837.20x = 191,719.35 × 39,069.30
  4. Step 4: Simplify right side
    127,837.20x = 7,490,340,800.96
  5. Step 5: Solve for x
    x = 7,490,340,800.96/127,837.20
  6. Step 6: Final answer
    x = 58,592.81

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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.