Home / 189,394.06-284,079.94-71,055.48

Finding the Fourth Proportional to 189,394.06, 284,079.94 and 71,055.48

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Solution

The fourth proportional to 189,394.06, 284,079.94 and 71,055.48 is: 106,579.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,394.06 : 284,079.94 = 71,055.48 : x
  2. Step 2: Convert to fraction form
    189,394.06/284,079.94 = 71,055.48/x
  3. Step 3: Cross multiply
    189,394.06x = 284,079.94 × 71,055.48
  4. Step 4: Simplify right side
    189,394.06x = 20,185,436,495.07
  5. Step 5: Solve for x
    x = 20,185,436,495.07/189,394.06
  6. Step 6: Final answer
    x = 106,579.04

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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.