Home / 170,853.06-256,133.70-120,775.62

Finding the Fourth Proportional to 170,853.06, 256,133.70 and 120,775.62

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Solution

The fourth proportional to 170,853.06, 256,133.70 and 120,775.62 is: 181,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,853.06 : 256,133.70 = 120,775.62 : x
  2. Step 2: Convert to fraction form
    170,853.06/256,133.70 = 120,775.62/x
  3. Step 3: Cross multiply
    170,853.06x = 256,133.70 × 120,775.62
  4. Step 4: Simplify right side
    170,853.06x = 30,934,706,420.39
  5. Step 5: Solve for x
    x = 30,934,706,420.39/170,853.06
  6. Step 6: Final answer
    x = 181,060.30

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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.