Home / 205,979.02-308,115.44-193,381.90

Finding the Fourth Proportional to 205,979.02, 308,115.44 and 193,381.90

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Solution

The fourth proportional to 205,979.02, 308,115.44 and 193,381.90 is: 289,271.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,979.02 : 308,115.44 = 193,381.90 : x
  2. Step 2: Convert to fraction form
    205,979.02/308,115.44 = 193,381.90/x
  3. Step 3: Cross multiply
    205,979.02x = 308,115.44 × 193,381.90
  4. Step 4: Simplify right side
    205,979.02x = 59,583,949,206.54
  5. Step 5: Solve for x
    x = 59,583,949,206.54/205,979.02
  6. Step 6: Final answer
    x = 289,271.93

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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.