Home / 272,715.51-409,091.90-92,727.66

Finding the Fourth Proportional to 272,715.51, 409,091.90 and 92,727.66

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Solution

The fourth proportional to 272,715.51, 409,091.90 and 92,727.66 is: 139,097.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,715.51 : 409,091.90 = 92,727.66 : x
  2. Step 2: Convert to fraction form
    272,715.51/409,091.90 = 92,727.66/x
  3. Step 3: Cross multiply
    272,715.51x = 409,091.90 × 92,727.66
  4. Step 4: Simplify right side
    272,715.51x = 37,934,134,843.77
  5. Step 5: Solve for x
    x = 37,934,134,843.77/272,715.51
  6. Step 6: Final answer
    x = 139,097.83

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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.