Home / 159,115.06-219,578-93,741.84

Finding the Fourth Proportional to 159,115.06, 219,578 and 93,741.84

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Solution

The fourth proportional to 159,115.06, 219,578 and 93,741.84 is: 129,363.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,115.06 : 219,578 = 93,741.84 : x
  2. Step 2: Convert to fraction form
    159,115.06/219,578 = 93,741.84/x
  3. Step 3: Cross multiply
    159,115.06x = 219,578 × 93,741.84
  4. Step 4: Simplify right side
    159,115.06x = 20,583,645,743.52
  5. Step 5: Solve for x
    x = 20,583,645,743.52/159,115.06
  6. Step 6: Final answer
    x = 129,363.28

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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.