Home / 127,108.76-190,663.37-52,176.68

Finding the Fourth Proportional to 127,108.76, 190,663.37 and 52,176.68

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Solution

The fourth proportional to 127,108.76, 190,663.37 and 52,176.68 is: 78,265.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,108.76 : 190,663.37 = 52,176.68 : x
  2. Step 2: Convert to fraction form
    127,108.76/190,663.37 = 52,176.68/x
  3. Step 3: Cross multiply
    127,108.76x = 190,663.37 × 52,176.68
  4. Step 4: Simplify right side
    127,108.76x = 9,948,180,430.01
  5. Step 5: Solve for x
    x = 9,948,180,430.01/127,108.76
  6. Step 6: Final answer
    x = 78,265.11

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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.