Home / 238,449.28-329,088.61-143,008.48

Finding the Fourth Proportional to 238,449.28, 329,088.61 and 143,008.48

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Solution

The fourth proportional to 238,449.28, 329,088.61 and 143,008.48 is: 197,368.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,449.28 : 329,088.61 = 143,008.48 : x
  2. Step 2: Convert to fraction form
    238,449.28/329,088.61 = 143,008.48/x
  3. Step 3: Cross multiply
    238,449.28x = 329,088.61 × 143,008.48
  4. Step 4: Simplify right side
    238,449.28x = 47,062,460,255.97
  5. Step 5: Solve for x
    x = 47,062,460,255.97/238,449.28
  6. Step 6: Final answer
    x = 197,368.85

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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.