Home / 119,121.36-178,684.48-48,991.56

Finding the Fourth Proportional to 119,121.36, 178,684.48 and 48,991.56

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Solution

The fourth proportional to 119,121.36, 178,684.48 and 48,991.56 is: 73,488.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,121.36 : 178,684.48 = 48,991.56 : x
  2. Step 2: Convert to fraction form
    119,121.36/178,684.48 = 48,991.56/x
  3. Step 3: Cross multiply
    119,121.36x = 178,684.48 × 48,991.56
  4. Step 4: Simplify right side
    119,121.36x = 8,754,031,422.99
  5. Step 5: Solve for x
    x = 8,754,031,422.99/119,121.36
  6. Step 6: Final answer
    x = 73,488.34

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1.5x scale

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.