Home / 217,580.50-326,871.06-154,553.86

Finding the Fourth Proportional to 217,580.50, 326,871.06 and 154,553.86

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Solution

The fourth proportional to 217,580.50, 326,871.06 and 154,553.86 is: 232,186.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,580.50 : 326,871.06 = 154,553.86 : x
  2. Step 2: Convert to fraction form
    217,580.50/326,871.06 = 154,553.86/x
  3. Step 3: Cross multiply
    217,580.50x = 326,871.06 × 154,553.86
  4. Step 4: Simplify right side
    217,580.50x = 50,519,184,045.29
  5. Step 5: Solve for x
    x = 50,519,184,045.29/217,580.50
  6. Step 6: Final answer
    x = 232,186.17

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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.