Home / 154,186.97-231,490.27-86,766.63

Finding the Fourth Proportional to 154,186.97, 231,490.27 and 86,766.63

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Solution

The fourth proportional to 154,186.97, 231,490.27 and 86,766.63 is: 130,268.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,186.97 : 231,490.27 = 86,766.63 : x
  2. Step 2: Convert to fraction form
    154,186.97/231,490.27 = 86,766.63/x
  3. Step 3: Cross multiply
    154,186.97x = 231,490.27 × 86,766.63
  4. Step 4: Simplify right side
    154,186.97x = 20,085,630,388.77
  5. Step 5: Solve for x
    x = 20,085,630,388.77/154,186.97
  6. Step 6: Final answer
    x = 130,268.02

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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.