Home / 126,897.92-190,464.96-64,615.04

Finding the Fourth Proportional to 126,897.92, 190,464.96 and 64,615.04

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Solution

The fourth proportional to 126,897.92, 190,464.96 and 64,615.04 is: 96,982.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,897.92 : 190,464.96 = 64,615.04 : x
  2. Step 2: Convert to fraction form
    126,897.92/190,464.96 = 64,615.04/x
  3. Step 3: Cross multiply
    126,897.92x = 190,464.96 × 64,615.04
  4. Step 4: Simplify right side
    126,897.92x = 12,306,901,009.00
  5. Step 5: Solve for x
    x = 12,306,901,009.00/126,897.92
  6. Step 6: Final answer
    x = 96,982.69

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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.