Home / 268,917.25-403,394.34-89,002.35

Finding the Fourth Proportional to 268,917.25, 403,394.34 and 89,002.35

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Solution

The fourth proportional to 268,917.25, 403,394.34 and 89,002.35 is: 133,509.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,917.25 : 403,394.34 = 89,002.35 : x
  2. Step 2: Convert to fraction form
    268,917.25/403,394.34 = 89,002.35/x
  3. Step 3: Cross multiply
    268,917.25x = 403,394.34 × 89,002.35
  4. Step 4: Simplify right side
    268,917.25x = 35,903,044,236.70
  5. Step 5: Solve for x
    x = 35,903,044,236.70/268,917.25
  6. Step 6: Final answer
    x = 133,509.64

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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.