Home / 126,141.42-173,894.28-99,237.21

Finding the Fourth Proportional to 126,141.42, 173,894.28 and 99,237.21

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Solution

The fourth proportional to 126,141.42, 173,894.28 and 99,237.21 is: 136,805.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,141.42 : 173,894.28 = 99,237.21 : x
  2. Step 2: Convert to fraction form
    126,141.42/173,894.28 = 99,237.21/x
  3. Step 3: Cross multiply
    126,141.42x = 173,894.28 × 99,237.21
  4. Step 4: Simplify right side
    126,141.42x = 17,256,783,182.16
  5. Step 5: Solve for x
    x = 17,256,783,182.16/126,141.42
  6. Step 6: Final answer
    x = 136,805.05

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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.