Home / 165,401.36-228,249-93,787.92

Finding the Fourth Proportional to 165,401.36, 228,249 and 93,787.92

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Solution

The fourth proportional to 165,401.36, 228,249 and 93,787.92 is: 129,424.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,401.36 : 228,249 = 93,787.92 : x
  2. Step 2: Convert to fraction form
    165,401.36/228,249 = 93,787.92/x
  3. Step 3: Cross multiply
    165,401.36x = 228,249 × 93,787.92
  4. Step 4: Simplify right side
    165,401.36x = 21,406,998,952.08
  5. Step 5: Solve for x
    x = 21,406,998,952.08/165,401.36
  6. Step 6: Final answer
    x = 129,424.56

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1.5x scale

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.