Home / 205,929.15-284,216.22-141,345.33

Finding the Fourth Proportional to 205,929.15, 284,216.22 and 141,345.33

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Solution

The fourth proportional to 205,929.15, 284,216.22 and 141,345.33 is: 195,079.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,929.15 : 284,216.22 = 141,345.33 : x
  2. Step 2: Convert to fraction form
    205,929.15/284,216.22 = 141,345.33/x
  3. Step 3: Cross multiply
    205,929.15x = 284,216.22 × 141,345.33
  4. Step 4: Simplify right side
    205,929.15x = 40,172,634,871.49
  5. Step 5: Solve for x
    x = 40,172,634,871.49/205,929.15
  6. Step 6: Final answer
    x = 195,079.89

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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.