Home / 148,969.13-205,562.00-88,528.15

Finding the Fourth Proportional to 148,969.13, 205,562.00 and 88,528.15

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Solution

The fourth proportional to 148,969.13, 205,562.00 and 88,528.15 is: 122,159.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,969.13 : 205,562.00 = 88,528.15 : x
  2. Step 2: Convert to fraction form
    148,969.13/205,562.00 = 88,528.15/x
  3. Step 3: Cross multiply
    148,969.13x = 205,562.00 × 88,528.15
  4. Step 4: Simplify right side
    148,969.13x = 18,198,022,763.81
  5. Step 5: Solve for x
    x = 18,198,022,763.81/148,969.13
  6. Step 6: Final answer
    x = 122,159.69

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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.