Home / 168,436.12-232,440.42-92,983

Finding the Fourth Proportional to 168,436.12, 232,440.42 and 92,983

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Solution

The fourth proportional to 168,436.12, 232,440.42 and 92,983 is: 128,315.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,436.12 : 232,440.42 = 92,983 : x
  2. Step 2: Convert to fraction form
    168,436.12/232,440.42 = 92,983/x
  3. Step 3: Cross multiply
    168,436.12x = 232,440.42 × 92,983
  4. Step 4: Simplify right side
    168,436.12x = 21,613,007,572.86
  5. Step 5: Solve for x
    x = 21,613,007,572.86/168,436.12
  6. Step 6: Final answer
    x = 128,315.75

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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.