Home / 127,616.29-176,107.48-71,026.45

Finding the Fourth Proportional to 127,616.29, 176,107.48 and 71,026.45

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Solution

The fourth proportional to 127,616.29, 176,107.48 and 71,026.45 is: 98,014.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,616.29 : 176,107.48 = 71,026.45 : x
  2. Step 2: Convert to fraction form
    127,616.29/176,107.48 = 71,026.45/x
  3. Step 3: Cross multiply
    127,616.29x = 176,107.48 × 71,026.45
  4. Step 4: Simplify right side
    127,616.29x = 12,508,289,122.85
  5. Step 5: Solve for x
    x = 12,508,289,122.85/127,616.29
  6. Step 6: Final answer
    x = 98,014.83

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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.