Home / 126,146.29-173,901.03-99,242.14

Finding the Fourth Proportional to 126,146.29, 173,901.03 and 99,242.14

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Solution

The fourth proportional to 126,146.29, 173,901.03 and 99,242.14 is: 136,811.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,146.29 : 173,901.03 = 99,242.14 : x
  2. Step 2: Convert to fraction form
    126,146.29/173,901.03 = 99,242.14/x
  3. Step 3: Cross multiply
    126,146.29x = 173,901.03 × 99,242.14
  4. Step 4: Simplify right side
    126,146.29x = 17,258,310,365.40
  5. Step 5: Solve for x
    x = 17,258,310,365.40/126,146.29
  6. Step 6: Final answer
    x = 136,811.87

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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.