Home / 151,536.93-209,122.56-83,556.29

Finding the Fourth Proportional to 151,536.93, 209,122.56 and 83,556.29

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Solution

The fourth proportional to 151,536.93, 209,122.56 and 83,556.29 is: 115,308.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,536.93 : 209,122.56 = 83,556.29 : x
  2. Step 2: Convert to fraction form
    151,536.93/209,122.56 = 83,556.29/x
  3. Step 3: Cross multiply
    151,536.93x = 209,122.56 × 83,556.29
  4. Step 4: Simplify right side
    151,536.93x = 17,473,505,791.71
  5. Step 5: Solve for x
    x = 17,473,505,791.71/151,536.93
  6. Step 6: Final answer
    x = 115,308.57

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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.