Home / 170,686.20-256,029.30-117,542.10

Finding the Fourth Proportional to 170,686.20, 256,029.30 and 117,542.10

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Solution

The fourth proportional to 170,686.20, 256,029.30 and 117,542.10 is: 176,313.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,686.20 : 256,029.30 = 117,542.10 : x
  2. Step 2: Convert to fraction form
    170,686.20/256,029.30 = 117,542.10/x
  3. Step 3: Cross multiply
    170,686.20x = 256,029.30 × 117,542.10
  4. Step 4: Simplify right side
    170,686.20x = 30,094,221,583.53
  5. Step 5: Solve for x
    x = 30,094,221,583.53/170,686.20
  6. Step 6: Final answer
    x = 176,313.15

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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.