Home / 193,111.02-266,489.19-105,894.90

Finding the Fourth Proportional to 193,111.02, 266,489.19 and 105,894.90

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Solution

The fourth proportional to 193,111.02, 266,489.19 and 105,894.90 is: 146,132.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,111.02 : 266,489.19 = 105,894.90 : x
  2. Step 2: Convert to fraction form
    193,111.02/266,489.19 = 105,894.90/x
  3. Step 3: Cross multiply
    193,111.02x = 266,489.19 × 105,894.90
  4. Step 4: Simplify right side
    193,111.02x = 28,219,846,126.13
  5. Step 5: Solve for x
    x = 28,219,846,126.13/193,111.02
  6. Step 6: Final answer
    x = 146,132.76

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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.