Home / 238,811.28-329,606.67-136,905.18

Finding the Fourth Proportional to 238,811.28, 329,606.67 and 136,905.18

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Solution

The fourth proportional to 238,811.28, 329,606.67 and 136,905.18 is: 188,956.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,811.28 : 329,606.67 = 136,905.18 : x
  2. Step 2: Convert to fraction form
    238,811.28/329,606.67 = 136,905.18/x
  3. Step 3: Cross multiply
    238,811.28x = 329,606.67 × 136,905.18
  4. Step 4: Simplify right side
    238,811.28x = 45,124,860,485.55
  5. Step 5: Solve for x
    x = 45,124,860,485.55/238,811.28
  6. Step 6: Final answer
    x = 188,956.15

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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.