Home / 189,334.77-261,281.95-104,451.83

Finding the Fourth Proportional to 189,334.77, 261,281.95 and 104,451.83

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Solution

The fourth proportional to 189,334.77, 261,281.95 and 104,451.83 is: 144,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,334.77 : 261,281.95 = 104,451.83 : x
  2. Step 2: Convert to fraction form
    189,334.77/261,281.95 = 104,451.83/x
  3. Step 3: Cross multiply
    189,334.77x = 261,281.95 × 104,451.83
  4. Step 4: Simplify right side
    189,334.77x = 27,291,377,823.28
  5. Step 5: Solve for x
    x = 27,291,377,823.28/189,334.77
  6. Step 6: Final answer
    x = 144,143.51

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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.