Home / 148,544.45-204,985.62-80,560.17

Finding the Fourth Proportional to 148,544.45, 204,985.62 and 80,560.17

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Solution

The fourth proportional to 148,544.45, 204,985.62 and 80,560.17 is: 111,169.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,544.45 : 204,985.62 = 80,560.17 : x
  2. Step 2: Convert to fraction form
    148,544.45/204,985.62 = 80,560.17/x
  3. Step 3: Cross multiply
    148,544.45x = 204,985.62 × 80,560.17
  4. Step 4: Simplify right side
    148,544.45x = 16,513,676,394.76
  5. Step 5: Solve for x
    x = 16,513,676,394.76/148,544.45
  6. Step 6: Final answer
    x = 111,169.93

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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.