Home / 108,233.40-149,368.73-60,490.56

Finding the Fourth Proportional to 108,233.40, 149,368.73 and 60,490.56

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Solution

The fourth proportional to 108,233.40, 149,368.73 and 60,490.56 is: 83,480.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,233.40 : 149,368.73 = 60,490.56 : x
  2. Step 2: Convert to fraction form
    108,233.40/149,368.73 = 60,490.56/x
  3. Step 3: Cross multiply
    108,233.40x = 149,368.73 × 60,490.56
  4. Step 4: Simplify right side
    108,233.40x = 9,035,397,821.74
  5. Step 5: Solve for x
    x = 9,035,397,821.74/108,233.40
  6. Step 6: Final answer
    x = 83,480.68

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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.