Home / 268,105.60-402,226.47-124,115.23

Finding the Fourth Proportional to 268,105.60, 402,226.47 and 124,115.23

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Solution

The fourth proportional to 268,105.60, 402,226.47 and 124,115.23 is: 186,204.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,105.60 : 402,226.47 = 124,115.23 : x
  2. Step 2: Convert to fraction form
    268,105.60/402,226.47 = 124,115.23/x
  3. Step 3: Cross multiply
    268,105.60x = 402,226.47 × 124,115.23
  4. Step 4: Simplify right side
    268,105.60x = 49,922,430,836.14
  5. Step 5: Solve for x
    x = 49,922,430,836.14/268,105.60
  6. Step 6: Final answer
    x = 186,204.36

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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.