Home / 268,211.24-402,066.71-90,594.03

Finding the Fourth Proportional to 268,211.24, 402,066.71 and 90,594.03

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Solution

The fourth proportional to 268,211.24, 402,066.71 and 90,594.03 is: 135,806.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,211.24 : 402,066.71 = 90,594.03 : x
  2. Step 2: Convert to fraction form
    268,211.24/402,066.71 = 90,594.03/x
  3. Step 3: Cross multiply
    268,211.24x = 402,066.71 × 90,594.03
  4. Step 4: Simplify right side
    268,211.24x = 36,424,843,134.77
  5. Step 5: Solve for x
    x = 36,424,843,134.77/268,211.24
  6. Step 6: Final answer
    x = 135,806.55

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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.