Home / 170,700.20-256,050.30-117,556.10

Finding the Fourth Proportional to 170,700.20, 256,050.30 and 117,556.10

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Solution

The fourth proportional to 170,700.20, 256,050.30 and 117,556.10 is: 176,334.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,700.20 : 256,050.30 = 117,556.10 : x
  2. Step 2: Convert to fraction form
    170,700.20/256,050.30 = 117,556.10/x
  3. Step 3: Cross multiply
    170,700.20x = 256,050.30 × 117,556.10
  4. Step 4: Simplify right side
    170,700.20x = 30,100,274,671.83
  5. Step 5: Solve for x
    x = 30,100,274,671.83/170,700.20
  6. Step 6: Final answer
    x = 176,334.15

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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.