Home / 170,855.40-256,283.10-161,178.60

Finding the Fourth Proportional to 170,855.40, 256,283.10 and 161,178.60

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Solution

The fourth proportional to 170,855.40, 256,283.10 and 161,178.60 is: 241,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,855.40 : 256,283.10 = 161,178.60 : x
  2. Step 2: Convert to fraction form
    170,855.40/256,283.10 = 161,178.60/x
  3. Step 3: Cross multiply
    170,855.40x = 256,283.10 × 161,178.60
  4. Step 4: Simplify right side
    170,855.40x = 41,307,351,261.66
  5. Step 5: Solve for x
    x = 41,307,351,261.66/170,855.40
  6. Step 6: Final answer
    x = 241,767.90

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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.