Home / 127,645.91-176,149.85-70,284.03

Finding the Fourth Proportional to 127,645.91, 176,149.85 and 70,284.03

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Solution

The fourth proportional to 127,645.91, 176,149.85 and 70,284.03 is: 96,991.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,645.91 : 176,149.85 = 70,284.03 : x
  2. Step 2: Convert to fraction form
    127,645.91/176,149.85 = 70,284.03/x
  3. Step 3: Cross multiply
    127,645.91x = 176,149.85 × 70,284.03
  4. Step 4: Simplify right side
    127,645.91x = 12,380,521,341.90
  5. Step 5: Solve for x
    x = 12,380,521,341.90/127,645.91
  6. Step 6: Final answer
    x = 96,991.13

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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.