Home / 189,362.40-261,321.52-104,482.56

Finding the Fourth Proportional to 189,362.40, 261,321.52 and 104,482.56

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Solution

The fourth proportional to 189,362.40, 261,321.52 and 104,482.56 is: 144,186.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,362.40 : 261,321.52 = 104,482.56 : x
  2. Step 2: Convert to fraction form
    189,362.40/261,321.52 = 104,482.56/x
  3. Step 3: Cross multiply
    189,362.40x = 261,321.52 × 104,482.56
  4. Step 4: Simplify right side
    189,362.40x = 27,303,541,392.69
  5. Step 5: Solve for x
    x = 27,303,541,392.69/189,362.40
  6. Step 6: Final answer
    x = 144,186.71

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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.