Home / 119,228.20-164,549.22-71,507.80

Finding the Fourth Proportional to 119,228.20, 164,549.22 and 71,507.80

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Solution

The fourth proportional to 119,228.20, 164,549.22 and 71,507.80 is: 98,689.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,228.20 : 164,549.22 = 71,507.80 : x
  2. Step 2: Convert to fraction form
    119,228.20/164,549.22 = 71,507.80/x
  3. Step 3: Cross multiply
    119,228.20x = 164,549.22 × 71,507.80
  4. Step 4: Simplify right side
    119,228.20x = 11,766,552,713.92
  5. Step 5: Solve for x
    x = 11,766,552,713.92/119,228.20
  6. Step 6: Final answer
    x = 98,689.34

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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.