Home / 189,717.36-261,806.24-104,832.56

Finding the Fourth Proportional to 189,717.36, 261,806.24 and 104,832.56

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Solution

The fourth proportional to 189,717.36, 261,806.24 and 104,832.56 is: 144,666.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,717.36 : 261,806.24 = 104,832.56 : x
  2. Step 2: Convert to fraction form
    189,717.36/261,806.24 = 104,832.56/x
  3. Step 3: Cross multiply
    189,717.36x = 261,806.24 × 104,832.56
  4. Step 4: Simplify right side
    189,717.36x = 27,445,818,363.17
  5. Step 5: Solve for x
    x = 27,445,818,363.17/189,717.36
  6. Step 6: Final answer
    x = 144,666.88

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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.