Home / 127,209.48-175,542.18-70,617.18

Finding the Fourth Proportional to 127,209.48, 175,542.18 and 70,617.18

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Solution

The fourth proportional to 127,209.48, 175,542.18 and 70,617.18 is: 97,447.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,209.48 : 175,542.18 = 70,617.18 : x
  2. Step 2: Convert to fraction form
    127,209.48/175,542.18 = 70,617.18/x
  3. Step 3: Cross multiply
    127,209.48x = 175,542.18 × 70,617.18
  4. Step 4: Simplify right side
    127,209.48x = 12,396,293,722.65
  5. Step 5: Solve for x
    x = 12,396,293,722.65/127,209.48
  6. Step 6: Final answer
    x = 97,447.88

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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.