Home / 219,147.19-328,471.64-92,708.52

Finding the Fourth Proportional to 219,147.19, 328,471.64 and 92,708.52

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Solution

The fourth proportional to 219,147.19, 328,471.64 and 92,708.52 is: 138,957.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,147.19 : 328,471.64 = 92,708.52 : x
  2. Step 2: Convert to fraction form
    219,147.19/328,471.64 = 92,708.52/x
  3. Step 3: Cross multiply
    219,147.19x = 328,471.64 × 92,708.52
  4. Step 4: Simplify right side
    219,147.19x = 30,452,119,142.83
  5. Step 5: Solve for x
    x = 30,452,119,142.83/219,147.19
  6. Step 6: Final answer
    x = 138,957.38

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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.