Home / 123,446.76-170,370.39-69,735.24

Finding the Fourth Proportional to 123,446.76, 170,370.39 and 69,735.24

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Solution

The fourth proportional to 123,446.76, 170,370.39 and 69,735.24 is: 96,242.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,446.76 : 170,370.39 = 69,735.24 : x
  2. Step 2: Convert to fraction form
    123,446.76/170,370.39 = 69,735.24/x
  3. Step 3: Cross multiply
    123,446.76x = 170,370.39 × 69,735.24
  4. Step 4: Simplify right side
    123,446.76x = 11,880,820,035.54
  5. Step 5: Solve for x
    x = 11,880,820,035.54/123,446.76
  6. Step 6: Final answer
    x = 96,242.46

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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.