Home / 327,545.61-490,531.09-186,877.77

Finding the Fourth Proportional to 327,545.61, 490,531.09 and 186,877.77

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Solution

The fourth proportional to 327,545.61, 490,531.09 and 186,877.77 is: 279,867.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,545.61 : 490,531.09 = 186,877.77 : x
  2. Step 2: Convert to fraction form
    327,545.61/490,531.09 = 186,877.77/x
  3. Step 3: Cross multiply
    327,545.61x = 490,531.09 × 186,877.77
  4. Step 4: Simplify right side
    327,545.61x = 91,669,356,214.87
  5. Step 5: Solve for x
    x = 91,669,356,214.87/327,545.61
  6. Step 6: Final answer
    x = 279,867.45

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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.