Home / 126,691.34-174,806.28-75,696.41

Finding the Fourth Proportional to 126,691.34, 174,806.28 and 75,696.41

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Solution

The fourth proportional to 126,691.34, 174,806.28 and 75,696.41 is: 104,444.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,691.34 : 174,806.28 = 75,696.41 : x
  2. Step 2: Convert to fraction form
    126,691.34/174,806.28 = 75,696.41/x
  3. Step 3: Cross multiply
    126,691.34x = 174,806.28 × 75,696.41
  4. Step 4: Simplify right side
    126,691.34x = 13,232,207,841.45
  5. Step 5: Solve for x
    x = 13,232,207,841.45/126,691.34
  6. Step 6: Final answer
    x = 104,444.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.