Home / 139,801.38-192,791.79-93,964.74

Finding the Fourth Proportional to 139,801.38, 192,791.79 and 93,964.74

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Solution

The fourth proportional to 139,801.38, 192,791.79 and 93,964.74 is: 129,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,801.38 : 192,791.79 = 93,964.74 : x
  2. Step 2: Convert to fraction form
    139,801.38/192,791.79 = 93,964.74/x
  3. Step 3: Cross multiply
    139,801.38x = 192,791.79 × 93,964.74
  4. Step 4: Simplify right side
    139,801.38x = 18,115,630,421.48
  5. Step 5: Solve for x
    x = 18,115,630,421.48/139,801.38
  6. Step 6: Final answer
    x = 129,581.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.