Home / 170,060.20-255,094.50-81,323.08

Finding the Fourth Proportional to 170,060.20, 255,094.50 and 81,323.08

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Solution

The fourth proportional to 170,060.20, 255,094.50 and 81,323.08 is: 121,986.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,060.20 : 255,094.50 = 81,323.08 : x
  2. Step 2: Convert to fraction form
    170,060.20/255,094.50 = 81,323.08/x
  3. Step 3: Cross multiply
    170,060.20x = 255,094.50 × 81,323.08
  4. Step 4: Simplify right side
    170,060.20x = 20,745,070,431.06
  5. Step 5: Solve for x
    x = 20,745,070,431.06/170,060.20
  6. Step 6: Final answer
    x = 121,986.63

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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.