Home / 326,742.05-490,143.35-127,077.46

Finding the Fourth Proportional to 326,742.05, 490,143.35 and 127,077.46

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Solution

The fourth proportional to 326,742.05, 490,143.35 and 127,077.46 is: 190,627.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,742.05 : 490,143.35 = 127,077.46 : x
  2. Step 2: Convert to fraction form
    326,742.05/490,143.35 = 127,077.46/x
  3. Step 3: Cross multiply
    326,742.05x = 490,143.35 × 127,077.46
  4. Step 4: Simplify right side
    326,742.05x = 62,286,171,046.23
  5. Step 5: Solve for x
    x = 62,286,171,046.23/326,742.05
  6. Step 6: Final answer
    x = 190,627.96

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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.