Home / 189,351.02-261,305.26-104,470.58

Finding the Fourth Proportional to 189,351.02, 261,305.26 and 104,470.58

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Solution

The fourth proportional to 189,351.02, 261,305.26 and 104,470.58 is: 144,169.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,351.02 : 261,305.26 = 104,470.58 : x
  2. Step 2: Convert to fraction form
    189,351.02/261,305.26 = 104,470.58/x
  3. Step 3: Cross multiply
    189,351.02x = 261,305.26 × 104,470.58
  4. Step 4: Simplify right side
    189,351.02x = 27,298,712,069.25
  5. Step 5: Solve for x
    x = 27,298,712,069.25/189,351.02
  6. Step 6: Final answer
    x = 144,169.87

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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.