Home / 151,922.25-209,656.94-83,943.60

Finding the Fourth Proportional to 151,922.25, 209,656.94 and 83,943.60

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Solution

The fourth proportional to 151,922.25, 209,656.94 and 83,943.60 is: 115,844.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,922.25 : 209,656.94 = 83,943.60 : x
  2. Step 2: Convert to fraction form
    151,922.25/209,656.94 = 83,943.60/x
  3. Step 3: Cross multiply
    151,922.25x = 209,656.94 × 83,943.60
  4. Step 4: Simplify right side
    151,922.25x = 17,599,358,308.58
  5. Step 5: Solve for x
    x = 17,599,358,308.58/151,922.25
  6. Step 6: Final answer
    x = 115,844.51

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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.