Home / 126,617.04-189,927.72-104,343.12

Finding the Fourth Proportional to 126,617.04, 189,927.72 and 104,343.12

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Solution

The fourth proportional to 126,617.04, 189,927.72 and 104,343.12 is: 156,516.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,617.04 : 189,927.72 = 104,343.12 : x
  2. Step 2: Convert to fraction form
    126,617.04/189,927.72 = 104,343.12/x
  3. Step 3: Cross multiply
    126,617.04x = 189,927.72 × 104,343.12
  4. Step 4: Simplify right side
    126,617.04x = 19,817,650,879.29
  5. Step 5: Solve for x
    x = 19,817,650,879.29/126,617.04
  6. Step 6: Final answer
    x = 156,516.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.