Home / 148,017.69-204,264.56-80,034.65

Finding the Fourth Proportional to 148,017.69, 204,264.56 and 80,034.65

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Solution

The fourth proportional to 148,017.69, 204,264.56 and 80,034.65 is: 110,447.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,017.69 : 204,264.56 = 80,034.65 : x
  2. Step 2: Convert to fraction form
    148,017.69/204,264.56 = 80,034.65/x
  3. Step 3: Cross multiply
    148,017.69x = 204,264.56 × 80,034.65
  4. Step 4: Simplify right side
    148,017.69x = 16,348,241,856.26
  5. Step 5: Solve for x
    x = 16,348,241,856.26/148,017.69
  6. Step 6: Final answer
    x = 110,447.89

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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.