Home / 189,174.66-261,063.04-104,294.76

Finding the Fourth Proportional to 189,174.66, 261,063.04 and 104,294.76

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Solution

The fourth proportional to 189,174.66, 261,063.04 and 104,294.76 is: 143,927.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,174.66 : 261,063.04 = 104,294.76 : x
  2. Step 2: Convert to fraction form
    189,174.66/261,063.04 = 104,294.76/x
  3. Step 3: Cross multiply
    189,174.66x = 261,063.04 × 104,294.76
  4. Step 4: Simplify right side
    189,174.66x = 27,227,507,101.67
  5. Step 5: Solve for x
    x = 27,227,507,101.67/189,174.66
  6. Step 6: Final answer
    x = 143,927.88

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1.5x scale

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.