Home / 215,759.30-297,763.62-125,146.22

Finding the Fourth Proportional to 215,759.30, 297,763.62 and 125,146.22

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Solution

The fourth proportional to 215,759.30, 297,763.62 and 125,146.22 is: 172,710.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,759.30 : 297,763.62 = 125,146.22 : x
  2. Step 2: Convert to fraction form
    215,759.30/297,763.62 = 125,146.22/x
  3. Step 3: Cross multiply
    215,759.30x = 297,763.62 × 125,146.22
  4. Step 4: Simplify right side
    215,759.30x = 37,263,991,496.52
  5. Step 5: Solve for x
    x = 37,263,991,496.52/215,759.30
  6. Step 6: Final answer
    x = 172,710.94

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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.