Home / 267,537.50-401,368.03-90,040.17

Finding the Fourth Proportional to 267,537.50, 401,368.03 and 90,040.17

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Solution

The fourth proportional to 267,537.50, 401,368.03 and 90,040.17 is: 135,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,537.50 : 401,368.03 = 90,040.17 : x
  2. Step 2: Convert to fraction form
    267,537.50/401,368.03 = 90,040.17/x
  3. Step 3: Cross multiply
    267,537.50x = 401,368.03 × 90,040.17
  4. Step 4: Simplify right side
    267,537.50x = 36,139,246,933.79
  5. Step 5: Solve for x
    x = 36,139,246,933.79/267,537.50
  6. Step 6: Final answer
    x = 135,081.05

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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.