Home / 148,284.76-204,631.96-80,300.18

Finding the Fourth Proportional to 148,284.76, 204,631.96 and 80,300.18

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Solution

The fourth proportional to 148,284.76, 204,631.96 and 80,300.18 is: 110,813.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,284.76 : 204,631.96 = 80,300.18 : x
  2. Step 2: Convert to fraction form
    148,284.76/204,631.96 = 80,300.18/x
  3. Step 3: Cross multiply
    148,284.76x = 204,631.96 × 80,300.18
  4. Step 4: Simplify right side
    148,284.76x = 16,431,983,221.75
  5. Step 5: Solve for x
    x = 16,431,983,221.75/148,284.76
  6. Step 6: Final answer
    x = 110,813.70

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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.