Home / 217,613.97-326,405.28-57,686.26

Finding the Fourth Proportional to 217,613.97, 326,405.28 and 57,686.26

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Solution

The fourth proportional to 217,613.97, 326,405.28 and 57,686.26 is: 86,525.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,613.97 : 326,405.28 = 57,686.26 : x
  2. Step 2: Convert to fraction form
    217,613.97/326,405.28 = 57,686.26/x
  3. Step 3: Cross multiply
    217,613.97x = 326,405.28 × 57,686.26
  4. Step 4: Simplify right side
    217,613.97x = 18,829,100,759.31
  5. Step 5: Solve for x
    x = 18,829,100,759.31/217,613.97
  6. Step 6: Final answer
    x = 86,525.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.