Home / 152,910.18-229,325.18-68,623.20

Finding the Fourth Proportional to 152,910.18, 229,325.18 and 68,623.20

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Solution

The fourth proportional to 152,910.18, 229,325.18 and 68,623.20 is: 102,916.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,910.18 : 229,325.18 = 68,623.20 : x
  2. Step 2: Convert to fraction form
    152,910.18/229,325.18 = 68,623.20/x
  3. Step 3: Cross multiply
    152,910.18x = 229,325.18 × 68,623.20
  4. Step 4: Simplify right side
    152,910.18x = 15,737,027,349.06
  5. Step 5: Solve for x
    x = 15,737,027,349.06/152,910.18
  6. Step 6: Final answer
    x = 102,916.81

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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.