Home / 238,410.96-329,013.24-130,983.72

Finding the Fourth Proportional to 238,410.96, 329,013.24 and 130,983.72

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Solution

The fourth proportional to 238,410.96, 329,013.24 and 130,983.72 is: 180,760.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,410.96 : 329,013.24 = 130,983.72 : x
  2. Step 2: Convert to fraction form
    238,410.96/329,013.24 = 130,983.72/x
  3. Step 3: Cross multiply
    238,410.96x = 329,013.24 × 130,983.72
  4. Step 4: Simplify right side
    238,410.96x = 43,095,378,104.45
  5. Step 5: Solve for x
    x = 43,095,378,104.45/238,410.96
  6. Step 6: Final answer
    x = 180,760.89

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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.