Home / 151,824.38-209,579.40-98,113.82

Finding the Fourth Proportional to 151,824.38, 209,579.40 and 98,113.82

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Solution

The fourth proportional to 151,824.38, 209,579.40 and 98,113.82 is: 135,436.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,824.38 : 209,579.40 = 98,113.82 : x
  2. Step 2: Convert to fraction form
    151,824.38/209,579.40 = 98,113.82/x
  3. Step 3: Cross multiply
    151,824.38x = 209,579.40 × 98,113.82
  4. Step 4: Simplify right side
    151,824.38x = 20,562,635,527.31
  5. Step 5: Solve for x
    x = 20,562,635,527.31/151,824.38
  6. Step 6: Final answer
    x = 135,436.98

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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.