Home / 344,512.11-516,779.70-119,891.40

Finding the Fourth Proportional to 344,512.11, 516,779.70 and 119,891.40

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Solution

The fourth proportional to 344,512.11, 516,779.70 and 119,891.40 is: 179,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,512.11 : 516,779.70 = 119,891.40 : x
  2. Step 2: Convert to fraction form
    344,512.11/516,779.70 = 119,891.40/x
  3. Step 3: Cross multiply
    344,512.11x = 516,779.70 × 119,891.40
  4. Step 4: Simplify right side
    344,512.11x = 61,957,441,724.58
  5. Step 5: Solve for x
    x = 61,957,441,724.58/344,512.11
  6. Step 6: Final answer
    x = 179,841.11

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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.