Home / 232,777.18-321,223.47-142,284.66

Finding the Fourth Proportional to 232,777.18, 321,223.47 and 142,284.66

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Solution

The fourth proportional to 232,777.18, 321,223.47 and 142,284.66 is: 196,347.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,777.18 : 321,223.47 = 142,284.66 : x
  2. Step 2: Convert to fraction form
    232,777.18/321,223.47 = 142,284.66/x
  3. Step 3: Cross multiply
    232,777.18x = 321,223.47 × 142,284.66
  4. Step 4: Simplify right side
    232,777.18x = 45,705,172,212.97
  5. Step 5: Solve for x
    x = 45,705,172,212.97/232,777.18
  6. Step 6: Final answer
    x = 196,347.31

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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.