Home / 238,486.46-329,095.80-136,512.74

Finding the Fourth Proportional to 238,486.46, 329,095.80 and 136,512.74

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Solution

The fourth proportional to 238,486.46, 329,095.80 and 136,512.74 is: 188,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,486.46 : 329,095.80 = 136,512.74 : x
  2. Step 2: Convert to fraction form
    238,486.46/329,095.80 = 136,512.74/x
  3. Step 3: Cross multiply
    238,486.46x = 329,095.80 × 136,512.74
  4. Step 4: Simplify right side
    238,486.46x = 44,925,769,380.49
  5. Step 5: Solve for x
    x = 44,925,769,380.49/238,486.46
  6. Step 6: Final answer
    x = 188,378.70

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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.