Home / 238,028.89-328,479.86-136,056.54

Finding the Fourth Proportional to 238,028.89, 328,479.86 and 136,056.54

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Solution

The fourth proportional to 238,028.89, 328,479.86 and 136,056.54 is: 187,758.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,028.89 : 328,479.86 = 136,056.54 : x
  2. Step 2: Convert to fraction form
    238,028.89/328,479.86 = 136,056.54/x
  3. Step 3: Cross multiply
    238,028.89x = 328,479.86 × 136,056.54
  4. Step 4: Simplify right side
    238,028.89x = 44,691,832,531.00
  5. Step 5: Solve for x
    x = 44,691,832,531.00/238,028.89
  6. Step 6: Final answer
    x = 187,758.02

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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.