Home / 193,108.02-266,485.05-105,891.90

Finding the Fourth Proportional to 193,108.02, 266,485.05 and 105,891.90

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Solution

The fourth proportional to 193,108.02, 266,485.05 and 105,891.90 is: 146,128.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,108.02 : 266,485.05 = 105,891.90 : x
  2. Step 2: Convert to fraction form
    193,108.02/266,485.05 = 105,891.90/x
  3. Step 3: Cross multiply
    193,108.02x = 266,485.05 × 105,891.90
  4. Step 4: Simplify right side
    193,108.02x = 28,218,608,266.10
  5. Step 5: Solve for x
    x = 28,218,608,266.10/193,108.02
  6. Step 6: Final answer
    x = 146,128.62

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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.