Home / 194,742.52-292,128.55-52,585.72

Finding the Fourth Proportional to 194,742.52, 292,128.55 and 52,585.72

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Solution

The fourth proportional to 194,742.52, 292,128.55 and 52,585.72 is: 78,882.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,742.52 : 292,128.55 = 52,585.72 : x
  2. Step 2: Convert to fraction form
    194,742.52/292,128.55 = 52,585.72/x
  3. Step 3: Cross multiply
    194,742.52x = 292,128.55 × 52,585.72
  4. Step 4: Simplify right side
    194,742.52x = 15,361,789,871.38
  5. Step 5: Solve for x
    x = 15,361,789,871.38/194,742.52
  6. Step 6: Final answer
    x = 78,882.57

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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.