Home / 151,507.54-209,080.33-83,525.66

Finding the Fourth Proportional to 151,507.54, 209,080.33 and 83,525.66

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Solution

The fourth proportional to 151,507.54, 209,080.33 and 83,525.66 is: 115,265.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,507.54 : 209,080.33 = 83,525.66 : x
  2. Step 2: Convert to fraction form
    151,507.54/209,080.33 = 83,525.66/x
  3. Step 3: Cross multiply
    151,507.54x = 209,080.33 × 83,525.66
  4. Step 4: Simplify right side
    151,507.54x = 17,463,572,556.27
  5. Step 5: Solve for x
    x = 17,463,572,556.27/151,507.54
  6. Step 6: Final answer
    x = 115,265.37

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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.