Home / 108,263.13-149,433.30-74,277.15

Finding the Fourth Proportional to 108,263.13, 149,433.30 and 74,277.15

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Solution

The fourth proportional to 108,263.13, 149,433.30 and 74,277.15 is: 102,523.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,263.13 : 149,433.30 = 74,277.15 : x
  2. Step 2: Convert to fraction form
    108,263.13/149,433.30 = 74,277.15/x
  3. Step 3: Cross multiply
    108,263.13x = 149,433.30 × 74,277.15
  4. Step 4: Simplify right side
    108,263.13x = 11,099,479,639.10
  5. Step 5: Solve for x
    x = 11,099,479,639.10/108,263.13
  6. Step 6: Final answer
    x = 102,523.17

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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.