Home / 147,081.94-220,644.78-68,204.14

Finding the Fourth Proportional to 147,081.94, 220,644.78 and 68,204.14

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Solution

The fourth proportional to 147,081.94, 220,644.78 and 68,204.14 is: 102,316.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,081.94 : 220,644.78 = 68,204.14 : x
  2. Step 2: Convert to fraction form
    147,081.94/220,644.78 = 68,204.14/x
  3. Step 3: Cross multiply
    147,081.94x = 220,644.78 × 68,204.14
  4. Step 4: Simplify right side
    147,081.94x = 15,048,887,465.39
  5. Step 5: Solve for x
    x = 15,048,887,465.39/147,081.94
  6. Step 6: Final answer
    x = 102,316.35

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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.