Home / 126,098.10-174,038.52-80,795.61

Finding the Fourth Proportional to 126,098.10, 174,038.52 and 80,795.61

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Solution

The fourth proportional to 126,098.10, 174,038.52 and 80,795.61 is: 111,512.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,098.10 : 174,038.52 = 80,795.61 : x
  2. Step 2: Convert to fraction form
    126,098.10/174,038.52 = 80,795.61/x
  3. Step 3: Cross multiply
    126,098.10x = 174,038.52 × 80,795.61
  4. Step 4: Simplify right side
    126,098.10x = 14,061,548,386.90
  5. Step 5: Solve for x
    x = 14,061,548,386.90/126,098.10
  6. Step 6: Final answer
    x = 111,512.77

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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.