Home / 151,296.20-208,794.42-83,316.12

Finding the Fourth Proportional to 151,296.20, 208,794.42 and 83,316.12

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Solution

The fourth proportional to 151,296.20, 208,794.42 and 83,316.12 is: 114,979.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,296.20 : 208,794.42 = 83,316.12 : x
  2. Step 2: Convert to fraction form
    151,296.20/208,794.42 = 83,316.12/x
  3. Step 3: Cross multiply
    151,296.20x = 208,794.42 × 83,316.12
  4. Step 4: Simplify right side
    151,296.20x = 17,395,940,952.05
  5. Step 5: Solve for x
    x = 17,395,940,952.05/151,296.20
  6. Step 6: Final answer
    x = 114,979.36

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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.