Home / 126,698.48-189,916.49-104,276.26

Finding the Fourth Proportional to 126,698.48, 189,916.49 and 104,276.26

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Solution

The fourth proportional to 126,698.48, 189,916.49 and 104,276.26 is: 156,306.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,698.48 : 189,916.49 = 104,276.26 : x
  2. Step 2: Convert to fraction form
    126,698.48/189,916.49 = 104,276.26/x
  3. Step 3: Cross multiply
    126,698.48x = 189,916.49 × 104,276.26
  4. Step 4: Simplify right side
    126,698.48x = 19,803,780,339.95
  5. Step 5: Solve for x
    x = 19,803,780,339.95/126,698.48
  6. Step 6: Final answer
    x = 156,306.38

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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.