Home / 189,769.05-261,881.33-104,886.11

Finding the Fourth Proportional to 189,769.05, 261,881.33 and 104,886.11

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Solution

The fourth proportional to 189,769.05, 261,881.33 and 104,886.11 is: 144,742.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,769.05 : 261,881.33 = 104,886.11 : x
  2. Step 2: Convert to fraction form
    189,769.05/261,881.33 = 104,886.11/x
  3. Step 3: Cross multiply
    189,769.05x = 261,881.33 × 104,886.11
  4. Step 4: Simplify right side
    189,769.05x = 27,467,712,151.49
  5. Step 5: Solve for x
    x = 27,467,712,151.49/189,769.05
  6. Step 6: Final answer
    x = 144,742.84

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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.