Home / 171,037.45-256,556.18-168,121.45

Finding the Fourth Proportional to 171,037.45, 256,556.18 and 168,121.45

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Solution

The fourth proportional to 171,037.45, 256,556.18 and 168,121.45 is: 252,182.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,037.45 : 256,556.18 = 168,121.45 : x
  2. Step 2: Convert to fraction form
    171,037.45/256,556.18 = 168,121.45/x
  3. Step 3: Cross multiply
    171,037.45x = 256,556.18 × 168,121.45
  4. Step 4: Simplify right side
    171,037.45x = 43,132,596,988.06
  5. Step 5: Solve for x
    x = 43,132,596,988.06/171,037.45
  6. Step 6: Final answer
    x = 252,182.18

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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.