Home / 123,350.76-170,214.53-69,641.10

Finding the Fourth Proportional to 123,350.76, 170,214.53 and 69,641.10

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Solution

The fourth proportional to 123,350.76, 170,214.53 and 69,641.10 is: 96,099.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,350.76 : 170,214.53 = 69,641.10 : x
  2. Step 2: Convert to fraction form
    123,350.76/170,214.53 = 69,641.10/x
  3. Step 3: Cross multiply
    123,350.76x = 170,214.53 × 69,641.10
  4. Step 4: Simplify right side
    123,350.76x = 11,853,926,756.98
  5. Step 5: Solve for x
    x = 11,853,926,756.98/123,350.76
  6. Step 6: Final answer
    x = 96,099.34

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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.