Home / 205,777.02-310,207.87-192,060.43

Finding the Fourth Proportional to 205,777.02, 310,207.87 and 192,060.43

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Solution

The fourth proportional to 205,777.02, 310,207.87 and 192,060.43 is: 289,530.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,777.02 : 310,207.87 = 192,060.43 : x
  2. Step 2: Convert to fraction form
    205,777.02/310,207.87 = 192,060.43/x
  3. Step 3: Cross multiply
    205,777.02x = 310,207.87 × 192,060.43
  4. Step 4: Simplify right side
    205,777.02x = 59,578,656,901.58
  5. Step 5: Solve for x
    x = 59,578,656,901.58/205,777.02
  6. Step 6: Final answer
    x = 289,530.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.