Home / 239,081.20-329,762.26-157,310.48

Finding the Fourth Proportional to 239,081.20, 329,762.26 and 157,310.48

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Solution

The fourth proportional to 239,081.20, 329,762.26 and 157,310.48 is: 216,976.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,081.20 : 329,762.26 = 157,310.48 : x
  2. Step 2: Convert to fraction form
    239,081.20/329,762.26 = 157,310.48/x
  3. Step 3: Cross multiply
    239,081.20x = 329,762.26 × 157,310.48
  4. Step 4: Simplify right side
    239,081.20x = 51,875,059,406.48
  5. Step 5: Solve for x
    x = 51,875,059,406.48/239,081.20
  6. Step 6: Final answer
    x = 216,976.74

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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.