Home / 270,730.20-406,029.66-112,959.96

Finding the Fourth Proportional to 270,730.20, 406,029.66 and 112,959.96

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Solution

The fourth proportional to 270,730.20, 406,029.66 and 112,959.96 is: 169,412.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,730.20 : 406,029.66 = 112,959.96 : x
  2. Step 2: Convert to fraction form
    270,730.20/406,029.66 = 112,959.96/x
  3. Step 3: Cross multiply
    270,730.20x = 406,029.66 × 112,959.96
  4. Step 4: Simplify right side
    270,730.20x = 45,865,094,152.41
  5. Step 5: Solve for x
    x = 45,865,094,152.41/270,730.20
  6. Step 6: Final answer
    x = 169,412.55

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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.