Home / 267,810.13-401,717.55-68,130.73

Finding the Fourth Proportional to 267,810.13, 401,717.55 and 68,130.73

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Solution

The fourth proportional to 267,810.13, 401,717.55 and 68,130.73 is: 102,196.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,810.13 : 401,717.55 = 68,130.73 : x
  2. Step 2: Convert to fraction form
    267,810.13/401,717.55 = 68,130.73/x
  3. Step 3: Cross multiply
    267,810.13x = 401,717.55 × 68,130.73
  4. Step 4: Simplify right side
    267,810.13x = 27,369,307,926.72
  5. Step 5: Solve for x
    x = 27,369,307,926.72/267,810.13
  6. Step 6: Final answer
    x = 102,196.69

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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.