Home / 232,693.12-321,108.08-142,200.56

Finding the Fourth Proportional to 232,693.12, 321,108.08 and 142,200.56

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Solution

The fourth proportional to 232,693.12, 321,108.08 and 142,200.56 is: 196,231.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,693.12 : 321,108.08 = 142,200.56 : x
  2. Step 2: Convert to fraction form
    232,693.12/321,108.08 = 142,200.56/x
  3. Step 3: Cross multiply
    232,693.12x = 321,108.08 × 142,200.56
  4. Step 4: Simplify right side
    232,693.12x = 45,661,748,796.52
  5. Step 5: Solve for x
    x = 45,661,748,796.52/232,693.12
  6. Step 6: Final answer
    x = 196,231.62

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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.