Home / 127,615.66-191,432.28-43,341.43

Finding the Fourth Proportional to 127,615.66, 191,432.28 and 43,341.43

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Solution

The fourth proportional to 127,615.66, 191,432.28 and 43,341.43 is: 65,015.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,615.66 : 191,432.28 = 43,341.43 : x
  2. Step 2: Convert to fraction form
    127,615.66/191,432.28 = 43,341.43/x
  3. Step 3: Cross multiply
    127,615.66x = 191,432.28 × 43,341.43
  4. Step 4: Simplify right side
    127,615.66x = 8,296,948,763.36
  5. Step 5: Solve for x
    x = 8,296,948,763.36/127,615.66
  6. Step 6: Final answer
    x = 65,015.13

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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.