Home / 108,140.60-149,233.38-60,394.04

Finding the Fourth Proportional to 108,140.60, 149,233.38 and 60,394.04

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Solution

The fourth proportional to 108,140.60, 149,233.38 and 60,394.04 is: 83,343.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,140.60 : 149,233.38 = 60,394.04 : x
  2. Step 2: Convert to fraction form
    108,140.60/149,233.38 = 60,394.04/x
  3. Step 3: Cross multiply
    108,140.60x = 149,233.38 × 60,394.04
  4. Step 4: Simplify right side
    108,140.60x = 9,012,806,721.06
  5. Step 5: Solve for x
    x = 9,012,806,721.06/108,140.60
  6. Step 6: Final answer
    x = 83,343.41

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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.