Home / 233,340.75-321,332.06-202,699.77

Finding the Fourth Proportional to 233,340.75, 321,332.06 and 202,699.77

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Solution

The fourth proportional to 233,340.75, 321,332.06 and 202,699.77 is: 279,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,340.75 : 321,332.06 = 202,699.77 : x
  2. Step 2: Convert to fraction form
    233,340.75/321,332.06 = 202,699.77/x
  3. Step 3: Cross multiply
    233,340.75x = 321,332.06 × 202,699.77
  4. Step 4: Simplify right side
    233,340.75x = 65,133,933,957.38
  5. Step 5: Solve for x
    x = 65,133,933,957.38/233,340.75
  6. Step 6: Final answer
    x = 279,136.56

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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.