Home / 217,916.06-326,895.34-84,807.14

Finding the Fourth Proportional to 217,916.06, 326,895.34 and 84,807.14

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Solution

The fourth proportional to 217,916.06, 326,895.34 and 84,807.14 is: 127,218.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,916.06 : 326,895.34 = 84,807.14 : x
  2. Step 2: Convert to fraction form
    217,916.06/326,895.34 = 84,807.14/x
  3. Step 3: Cross multiply
    217,916.06x = 326,895.34 × 84,807.14
  4. Step 4: Simplify right side
    217,916.06x = 27,723,058,864.73
  5. Step 5: Solve for x
    x = 27,723,058,864.73/217,916.06
  6. Step 6: Final answer
    x = 127,218.98

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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.