Home / 189,800.96-261,905.28-104,904.32

Finding the Fourth Proportional to 189,800.96, 261,905.28 and 104,904.32

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Solution

The fourth proportional to 189,800.96, 261,905.28 and 104,904.32 is: 144,756.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,800.96 : 261,905.28 = 104,904.32 : x
  2. Step 2: Convert to fraction form
    189,800.96/261,905.28 = 104,904.32/x
  3. Step 3: Cross multiply
    189,800.96x = 261,905.28 × 104,904.32
  4. Step 4: Simplify right side
    189,800.96x = 27,474,995,302.81
  5. Step 5: Solve for x
    x = 27,474,995,302.81/189,800.96
  6. Step 6: Final answer
    x = 144,756.88

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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.