Home / 216,177.78-298,328.30-119,388.17

Finding the Fourth Proportional to 216,177.78, 298,328.30 and 119,388.17

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Solution

The fourth proportional to 216,177.78, 298,328.30 and 119,388.17 is: 164,757.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,177.78 : 298,328.30 = 119,388.17 : x
  2. Step 2: Convert to fraction form
    216,177.78/298,328.30 = 119,388.17/x
  3. Step 3: Cross multiply
    216,177.78x = 298,328.30 × 119,388.17
  4. Step 4: Simplify right side
    216,177.78x = 35,616,870,392.80
  5. Step 5: Solve for x
    x = 35,616,870,392.80/216,177.78
  6. Step 6: Final answer
    x = 164,757.31

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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.