Home / 268,275.76-402,755.07-173,900.81

Finding the Fourth Proportional to 268,275.76, 402,755.07 and 173,900.81

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Solution

The fourth proportional to 268,275.76, 402,755.07 and 173,900.81 is: 261,072.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,275.76 : 402,755.07 = 173,900.81 : x
  2. Step 2: Convert to fraction form
    268,275.76/402,755.07 = 173,900.81/x
  3. Step 3: Cross multiply
    268,275.76x = 402,755.07 × 173,900.81
  4. Step 4: Simplify right side
    268,275.76x = 70,039,432,904.61
  5. Step 5: Solve for x
    x = 70,039,432,904.61/268,275.76
  6. Step 6: Final answer
    x = 261,072.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.