Home / 215,848.14-297,872.16-120,361.26

Finding the Fourth Proportional to 215,848.14, 297,872.16 and 120,361.26

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Solution

The fourth proportional to 215,848.14, 297,872.16 and 120,361.26 is: 166,099.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,848.14 : 297,872.16 = 120,361.26 : x
  2. Step 2: Convert to fraction form
    215,848.14/297,872.16 = 120,361.26/x
  3. Step 3: Cross multiply
    215,848.14x = 297,872.16 × 120,361.26
  4. Step 4: Simplify right side
    215,848.14x = 35,852,268,496.52
  5. Step 5: Solve for x
    x = 35,852,268,496.52/215,848.14
  6. Step 6: Final answer
    x = 166,099.50

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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.