Home / 189,534.59-261,550.86-104,649.83

Finding the Fourth Proportional to 189,534.59, 261,550.86 and 104,649.83

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Solution

The fourth proportional to 189,534.59, 261,550.86 and 104,649.83 is: 144,412.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,534.59 : 261,550.86 = 104,649.83 : x
  2. Step 2: Convert to fraction form
    189,534.59/261,550.86 = 104,649.83/x
  3. Step 3: Cross multiply
    189,534.59x = 261,550.86 × 104,649.83
  4. Step 4: Simplify right side
    189,534.59x = 27,371,251,727.60
  5. Step 5: Solve for x
    x = 27,371,251,727.60/189,534.59
  6. Step 6: Final answer
    x = 144,412.97

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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.