Home / 147,930.91-204,094.79-84,223.60

Finding the Fourth Proportional to 147,930.91, 204,094.79 and 84,223.60

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Solution

The fourth proportional to 147,930.91, 204,094.79 and 84,223.60 is: 116,200.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,930.91 : 204,094.79 = 84,223.60 : x
  2. Step 2: Convert to fraction form
    147,930.91/204,094.79 = 84,223.60/x
  3. Step 3: Cross multiply
    147,930.91x = 204,094.79 × 84,223.60
  4. Step 4: Simplify right side
    147,930.91x = 17,189,597,339.53
  5. Step 5: Solve for x
    x = 17,189,597,339.53/147,930.91
  6. Step 6: Final answer
    x = 116,200.18

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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.