Home / 127,229.50-190,844.26-39,677.50

Finding the Fourth Proportional to 127,229.50, 190,844.26 and 39,677.50

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Solution

The fourth proportional to 127,229.50, 190,844.26 and 39,677.50 is: 59,516.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,229.50 : 190,844.26 = 39,677.50 : x
  2. Step 2: Convert to fraction form
    127,229.50/190,844.26 = 39,677.50/x
  3. Step 3: Cross multiply
    127,229.50x = 190,844.26 × 39,677.50
  4. Step 4: Simplify right side
    127,229.50x = 7,572,223,126.15
  5. Step 5: Solve for x
    x = 7,572,223,126.15/127,229.50
  6. Step 6: Final answer
    x = 59,516.25

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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.