Home / 108,117.03-149,187.60-60,372.39

Finding the Fourth Proportional to 108,117.03, 149,187.60 and 60,372.39

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Solution

The fourth proportional to 108,117.03, 149,187.60 and 60,372.39 is: 83,306.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,117.03 : 149,187.60 = 60,372.39 : x
  2. Step 2: Convert to fraction form
    108,117.03/149,187.60 = 60,372.39/x
  3. Step 3: Cross multiply
    108,117.03x = 149,187.60 × 60,372.39
  4. Step 4: Simplify right side
    108,117.03x = 9,006,811,970.36
  5. Step 5: Solve for x
    x = 9,006,811,970.36/108,117.03
  6. Step 6: Final answer
    x = 83,306.14

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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.