Home / 238,724.40-358,085.96-88,961.28

Finding the Fourth Proportional to 238,724.40, 358,085.96 and 88,961.28

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Solution

The fourth proportional to 238,724.40, 358,085.96 and 88,961.28 is: 133,441.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,724.40 : 358,085.96 = 88,961.28 : x
  2. Step 2: Convert to fraction form
    238,724.40/358,085.96 = 88,961.28/x
  3. Step 3: Cross multiply
    238,724.40x = 358,085.96 × 88,961.28
  4. Step 4: Simplify right side
    238,724.40x = 31,855,785,351.63
  5. Step 5: Solve for x
    x = 31,855,785,351.63/238,724.40
  6. Step 6: Final answer
    x = 133,441.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.