Home / 351,459.39-527,080.11-126,790.62

Finding the Fourth Proportional to 351,459.39, 527,080.11 and 126,790.62

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Solution

The fourth proportional to 351,459.39, 527,080.11 and 126,790.62 is: 190,146.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,459.39 : 527,080.11 = 126,790.62 : x
  2. Step 2: Convert to fraction form
    351,459.39/527,080.11 = 126,790.62/x
  3. Step 3: Cross multiply
    351,459.39x = 527,080.11 × 126,790.62
  4. Step 4: Simplify right side
    351,459.39x = 66,828,813,936.57
  5. Step 5: Solve for x
    x = 66,828,813,936.57/351,459.39
  6. Step 6: Final answer
    x = 190,146.62

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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.