Home / 121,182.50-167,244.81-70,923.62

Finding the Fourth Proportional to 121,182.50, 167,244.81 and 70,923.62

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Solution

The fourth proportional to 121,182.50, 167,244.81 and 70,923.62 is: 97,882.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,182.50 : 167,244.81 = 70,923.62 : x
  2. Step 2: Convert to fraction form
    121,182.50/167,244.81 = 70,923.62/x
  3. Step 3: Cross multiply
    121,182.50x = 167,244.81 × 70,923.62
  4. Step 4: Simplify right side
    121,182.50x = 11,861,607,351.41
  5. Step 5: Solve for x
    x = 11,861,607,351.41/121,182.50
  6. Step 6: Final answer
    x = 97,882.18

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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.