Home / 238,839.12-329,600.88-136,868.76

Finding the Fourth Proportional to 238,839.12, 329,600.88 and 136,868.76

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Solution

The fourth proportional to 238,839.12, 329,600.88 and 136,868.76 is: 188,880.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,839.12 : 329,600.88 = 136,868.76 : x
  2. Step 2: Convert to fraction form
    238,839.12/329,600.88 = 136,868.76/x
  3. Step 3: Cross multiply
    238,839.12x = 329,600.88 × 136,868.76
  4. Step 4: Simplify right side
    238,839.12x = 45,112,063,740.51
  5. Step 5: Solve for x
    x = 45,112,063,740.51/238,839.12
  6. Step 6: Final answer
    x = 188,880.55

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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.