Home / 148,283.65-204,631.55-80,301.16

Finding the Fourth Proportional to 148,283.65, 204,631.55 and 80,301.16

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Solution

The fourth proportional to 148,283.65, 204,631.55 and 80,301.16 is: 110,815.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,283.65 : 204,631.55 = 80,301.16 : x
  2. Step 2: Convert to fraction form
    148,283.65/204,631.55 = 80,301.16/x
  3. Step 3: Cross multiply
    148,283.65x = 204,631.55 × 80,301.16
  4. Step 4: Simplify right side
    148,283.65x = 16,432,150,837.60
  5. Step 5: Solve for x
    x = 16,432,150,837.60/148,283.65
  6. Step 6: Final answer
    x = 110,815.66

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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.