Home / 148,833.87-205,393.06-80,852.19

Finding the Fourth Proportional to 148,833.87, 205,393.06 and 80,852.19

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Solution

The fourth proportional to 148,833.87, 205,393.06 and 80,852.19 is: 111,577.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,833.87 : 205,393.06 = 80,852.19 : x
  2. Step 2: Convert to fraction form
    148,833.87/205,393.06 = 80,852.19/x
  3. Step 3: Cross multiply
    148,833.87x = 205,393.06 × 80,852.19
  4. Step 4: Simplify right side
    148,833.87x = 16,606,478,711.80
  5. Step 5: Solve for x
    x = 16,606,478,711.80/148,833.87
  6. Step 6: Final answer
    x = 111,577.28

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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.