Home / 160,627.48-221,309.07-106,082.78

Finding the Fourth Proportional to 160,627.48, 221,309.07 and 106,082.78

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Solution

The fourth proportional to 160,627.48, 221,309.07 and 106,082.78 is: 146,158.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,627.48 : 221,309.07 = 106,082.78 : x
  2. Step 2: Convert to fraction form
    160,627.48/221,309.07 = 106,082.78/x
  3. Step 3: Cross multiply
    160,627.48x = 221,309.07 × 106,082.78
  4. Step 4: Simplify right side
    160,627.48x = 23,477,081,384.81
  5. Step 5: Solve for x
    x = 23,477,081,384.81/160,627.48
  6. Step 6: Final answer
    x = 146,158.56

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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.