Home / 127,263.68-190,898.25-38,517.04

Finding the Fourth Proportional to 127,263.68, 190,898.25 and 38,517.04

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Solution

The fourth proportional to 127,263.68, 190,898.25 and 38,517.04 is: 57,776.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,263.68 : 190,898.25 = 38,517.04 : x
  2. Step 2: Convert to fraction form
    127,263.68/190,898.25 = 38,517.04/x
  3. Step 3: Cross multiply
    127,263.68x = 190,898.25 × 38,517.04
  4. Step 4: Simplify right side
    127,263.68x = 7,352,835,531.18
  5. Step 5: Solve for x
    x = 7,352,835,531.18/127,263.68
  6. Step 6: Final answer
    x = 57,776.39

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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.