Home / 160,680.08-221,751.78-89,082.56

Finding the Fourth Proportional to 160,680.08, 221,751.78 and 89,082.56

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Solution

The fourth proportional to 160,680.08, 221,751.78 and 89,082.56 is: 122,941.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,680.08 : 221,751.78 = 89,082.56 : x
  2. Step 2: Convert to fraction form
    160,680.08/221,751.78 = 89,082.56/x
  3. Step 3: Cross multiply
    160,680.08x = 221,751.78 × 89,082.56
  4. Step 4: Simplify right side
    160,680.08x = 19,754,216,246.96
  5. Step 5: Solve for x
    x = 19,754,216,246.96/160,680.08
  6. Step 6: Final answer
    x = 122,941.29

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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.