Home / 121,183.20-167,207.49-70,192.89

Finding the Fourth Proportional to 121,183.20, 167,207.49 and 70,192.89

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Solution

The fourth proportional to 121,183.20, 167,207.49 and 70,192.89 is: 96,851.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,183.20 : 167,207.49 = 70,192.89 : x
  2. Step 2: Convert to fraction form
    121,183.20/167,207.49 = 70,192.89/x
  3. Step 3: Cross multiply
    121,183.20x = 167,207.49 × 70,192.89
  4. Step 4: Simplify right side
    121,183.20x = 11,736,776,952.75
  5. Step 5: Solve for x
    x = 11,736,776,952.75/121,183.20
  6. Step 6: Final answer
    x = 96,851.52

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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.