Home / 205,035.80-307,553.70-154,516.10

Finding the Fourth Proportional to 205,035.80, 307,553.70 and 154,516.10

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Solution

The fourth proportional to 205,035.80, 307,553.70 and 154,516.10 is: 231,774.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,035.80 : 307,553.70 = 154,516.10 : x
  2. Step 2: Convert to fraction form
    205,035.80/307,553.70 = 154,516.10/x
  3. Step 3: Cross multiply
    205,035.80x = 307,553.70 × 154,516.10
  4. Step 4: Simplify right side
    205,035.80x = 47,521,998,264.57
  5. Step 5: Solve for x
    x = 47,521,998,264.57/205,035.80
  6. Step 6: Final answer
    x = 231,774.15

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1.5x scale

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.