Home / 143,837.24-198,460.87-92,839.16

Finding the Fourth Proportional to 143,837.24, 198,460.87 and 92,839.16

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Solution

The fourth proportional to 143,837.24, 198,460.87 and 92,839.16 is: 128,095.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,837.24 : 198,460.87 = 92,839.16 : x
  2. Step 2: Convert to fraction form
    143,837.24/198,460.87 = 92,839.16/x
  3. Step 3: Cross multiply
    143,837.24x = 198,460.87 × 92,839.16
  4. Step 4: Simplify right side
    143,837.24x = 18,424,940,727.72
  5. Step 5: Solve for x
    x = 18,424,940,727.72/143,837.24
  6. Step 6: Final answer
    x = 128,095.77

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1.5x scale

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.