Home / 121,181.69-167,205.42-70,191.38

Finding the Fourth Proportional to 121,181.69, 167,205.42 and 70,191.38

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Solution

The fourth proportional to 121,181.69, 167,205.42 and 70,191.38 is: 96,849.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,181.69 : 167,205.42 = 70,191.38 : x
  2. Step 2: Convert to fraction form
    121,181.69/167,205.42 = 70,191.38/x
  3. Step 3: Cross multiply
    121,181.69x = 167,205.42 × 70,191.38
  4. Step 4: Simplify right side
    121,181.69x = 11,736,379,591.29
  5. Step 5: Solve for x
    x = 11,736,379,591.29/121,181.69
  6. Step 6: Final answer
    x = 96,849.44

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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.