Home / 193,723.02-290,429.01-109,431.18

Finding the Fourth Proportional to 193,723.02, 290,429.01 and 109,431.18

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Solution

The fourth proportional to 193,723.02, 290,429.01 and 109,431.18 is: 164,058.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,723.02 : 290,429.01 = 109,431.18 : x
  2. Step 2: Convert to fraction form
    193,723.02/290,429.01 = 109,431.18/x
  3. Step 3: Cross multiply
    193,723.02x = 290,429.01 × 109,431.18
  4. Step 4: Simplify right side
    193,723.02x = 31,781,989,270.53
  5. Step 5: Solve for x
    x = 31,781,989,270.53/193,723.02
  6. Step 6: Final answer
    x = 164,058.92

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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.