Home / 126,013.11-173,781.28-91,967.67

Finding the Fourth Proportional to 126,013.11, 173,781.28 and 91,967.67

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Solution

The fourth proportional to 126,013.11, 173,781.28 and 91,967.67 is: 126,830.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,013.11 : 173,781.28 = 91,967.67 : x
  2. Step 2: Convert to fraction form
    126,013.11/173,781.28 = 91,967.67/x
  3. Step 3: Cross multiply
    126,013.11x = 173,781.28 × 91,967.67
  4. Step 4: Simplify right side
    126,013.11x = 15,982,259,411.22
  5. Step 5: Solve for x
    x = 15,982,259,411.22/126,013.11
  6. Step 6: Final answer
    x = 126,830.13

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1.5x scale

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.