Home / 267,763.03-401,364.30-90,208.69

Finding the Fourth Proportional to 267,763.03, 401,364.30 and 90,208.69

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Solution

The fourth proportional to 267,763.03, 401,364.30 and 90,208.69 is: 135,218.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,763.03 : 401,364.30 = 90,208.69 : x
  2. Step 2: Convert to fraction form
    267,763.03/401,364.30 = 90,208.69/x
  3. Step 3: Cross multiply
    267,763.03x = 401,364.30 × 90,208.69
  4. Step 4: Simplify right side
    267,763.03x = 36,206,547,715.77
  5. Step 5: Solve for x
    x = 36,206,547,715.77/267,763.03
  6. Step 6: Final answer
    x = 135,218.62

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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.