Home / 179,912.40-248,277.45-99,338.19

Finding the Fourth Proportional to 179,912.40, 248,277.45 and 99,338.19

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Solution

The fourth proportional to 179,912.40, 248,277.45 and 99,338.19 is: 137,085.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,912.40 : 248,277.45 = 99,338.19 : x
  2. Step 2: Convert to fraction form
    179,912.40/248,277.45 = 99,338.19/x
  3. Step 3: Cross multiply
    179,912.40x = 248,277.45 × 99,338.19
  4. Step 4: Simplify right side
    179,912.40x = 24,663,432,500.82
  5. Step 5: Solve for x
    x = 24,663,432,500.82/179,912.40
  6. Step 6: Final answer
    x = 137,085.78

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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.