Home / 121,169.11-167,217.22-75,832.60

Finding the Fourth Proportional to 121,169.11, 167,217.22 and 75,832.60

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Solution

The fourth proportional to 121,169.11, 167,217.22 and 75,832.60 is: 104,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,169.11 : 167,217.22 = 75,832.60 : x
  2. Step 2: Convert to fraction form
    121,169.11/167,217.22 = 75,832.60/x
  3. Step 3: Cross multiply
    121,169.11x = 167,217.22 × 75,832.60
  4. Step 4: Simplify right side
    121,169.11x = 12,680,516,547.65
  5. Step 5: Solve for x
    x = 12,680,516,547.65/121,169.11
  6. Step 6: Final answer
    x = 104,651.40

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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.