Home / 215,670.83-297,626.92-125,080.50

Finding the Fourth Proportional to 215,670.83, 297,626.92 and 125,080.50

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Solution

The fourth proportional to 215,670.83, 297,626.92 and 125,080.50 is: 172,611.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,670.83 : 297,626.92 = 125,080.50 : x
  2. Step 2: Convert to fraction form
    215,670.83/297,626.92 = 125,080.50/x
  3. Step 3: Cross multiply
    215,670.83x = 297,626.92 × 125,080.50
  4. Step 4: Simplify right side
    215,670.83x = 37,227,325,474.04
  5. Step 5: Solve for x
    x = 37,227,325,474.04/215,670.83
  6. Step 6: Final answer
    x = 172,611.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.