Home / 205,829-284,044.02-111,621

Finding the Fourth Proportional to 205,829, 284,044.02 and 111,621

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Solution

The fourth proportional to 205,829, 284,044.02 and 111,621 is: 154,036.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,829 : 284,044.02 = 111,621 : x
  2. Step 2: Convert to fraction form
    205,829/284,044.02 = 111,621/x
  3. Step 3: Cross multiply
    205,829x = 284,044.02 × 111,621
  4. Step 4: Simplify right side
    205,829x = 31,705,277,556.42
  5. Step 5: Solve for x
    x = 31,705,277,556.42/205,829
  6. Step 6: Final answer
    x = 154,036.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.