Home / 236,654.38-326,625.11-139,854.12

Finding the Fourth Proportional to 236,654.38, 326,625.11 and 139,854.12

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Solution

The fourth proportional to 236,654.38, 326,625.11 and 139,854.12 is: 193,023.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,654.38 : 326,625.11 = 139,854.12 : x
  2. Step 2: Convert to fraction form
    236,654.38/326,625.11 = 139,854.12/x
  3. Step 3: Cross multiply
    236,654.38x = 326,625.11 × 139,854.12
  4. Step 4: Simplify right side
    236,654.38x = 45,679,867,328.95
  5. Step 5: Solve for x
    x = 45,679,867,328.95/236,654.38
  6. Step 6: Final answer
    x = 193,023.54

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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.