Home / 240,763.76-332,143.68-155,908.16

Finding the Fourth Proportional to 240,763.76, 332,143.68 and 155,908.16

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Solution

The fourth proportional to 240,763.76, 332,143.68 and 155,908.16 is: 215,081.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,763.76 : 332,143.68 = 155,908.16 : x
  2. Step 2: Convert to fraction form
    240,763.76/332,143.68 = 155,908.16/x
  3. Step 3: Cross multiply
    240,763.76x = 332,143.68 × 155,908.16
  4. Step 4: Simplify right side
    240,763.76x = 51,783,910,004.43
  5. Step 5: Solve for x
    x = 51,783,910,004.43/240,763.76
  6. Step 6: Final answer
    x = 215,081.83

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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.