Home / 140,553.17-210,816.68-39,360.38

Finding the Fourth Proportional to 140,553.17, 210,816.68 and 39,360.38

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Solution

The fourth proportional to 140,553.17, 210,816.68 and 39,360.38 is: 59,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,553.17 : 210,816.68 = 39,360.38 : x
  2. Step 2: Convert to fraction form
    140,553.17/210,816.68 = 39,360.38/x
  3. Step 3: Cross multiply
    140,553.17x = 210,816.68 × 39,360.38
  4. Step 4: Simplify right side
    140,553.17x = 8,297,823,679.46
  5. Step 5: Solve for x
    x = 8,297,823,679.46/140,553.17
  6. Step 6: Final answer
    x = 59,036.90

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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.