Home / 205,929.65-284,216.92-141,345.83

Finding the Fourth Proportional to 205,929.65, 284,216.92 and 141,345.83

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Solution

The fourth proportional to 205,929.65, 284,216.92 and 141,345.83 is: 195,080.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,929.65 : 284,216.92 = 141,345.83 : x
  2. Step 2: Convert to fraction form
    205,929.65/284,216.92 = 141,345.83/x
  3. Step 3: Cross multiply
    205,929.65x = 284,216.92 × 141,345.83
  4. Step 4: Simplify right side
    205,929.65x = 40,172,875,040.17
  5. Step 5: Solve for x
    x = 40,172,875,040.17/205,929.65
  6. Step 6: Final answer
    x = 195,080.58

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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.