Home / 147,930.80-221,896.20-124,516.40

Finding the Fourth Proportional to 147,930.80, 221,896.20 and 124,516.40

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Solution

The fourth proportional to 147,930.80, 221,896.20 and 124,516.40 is: 186,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,930.80 : 221,896.20 = 124,516.40 : x
  2. Step 2: Convert to fraction form
    147,930.80/221,896.20 = 124,516.40/x
  3. Step 3: Cross multiply
    147,930.80x = 221,896.20 × 124,516.40
  4. Step 4: Simplify right side
    147,930.80x = 27,629,715,997.68
  5. Step 5: Solve for x
    x = 27,629,715,997.68/147,930.80
  6. Step 6: Final answer
    x = 186,774.60

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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.