Home / 170,218.72-234,930.27-98,642.26

Finding the Fourth Proportional to 170,218.72, 234,930.27 and 98,642.26

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Solution

The fourth proportional to 170,218.72, 234,930.27 and 98,642.26 is: 136,142.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,218.72 : 234,930.27 = 98,642.26 : x
  2. Step 2: Convert to fraction form
    170,218.72/234,930.27 = 98,642.26/x
  3. Step 3: Cross multiply
    170,218.72x = 234,930.27 × 98,642.26
  4. Step 4: Simplify right side
    170,218.72x = 23,174,052,775.21
  5. Step 5: Solve for x
    x = 23,174,052,775.21/170,218.72
  6. Step 6: Final answer
    x = 136,142.80

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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.