Home / 233,275.28-321,754.04-155,711.80

Finding the Fourth Proportional to 233,275.28, 321,754.04 and 155,711.80

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Solution

The fourth proportional to 233,275.28, 321,754.04 and 155,711.80 is: 214,771.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,275.28 : 321,754.04 = 155,711.80 : x
  2. Step 2: Convert to fraction form
    233,275.28/321,754.04 = 155,711.80/x
  3. Step 3: Cross multiply
    233,275.28x = 321,754.04 × 155,711.80
  4. Step 4: Simplify right side
    233,275.28x = 50,100,900,933.22
  5. Step 5: Solve for x
    x = 50,100,900,933.22/233,275.28
  6. Step 6: Final answer
    x = 214,771.59

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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.