Home / 215,832.53-297,849.08-120,337.31

Finding the Fourth Proportional to 215,832.53, 297,849.08 and 120,337.31

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Solution

The fourth proportional to 215,832.53, 297,849.08 and 120,337.31 is: 166,065.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,832.53 : 297,849.08 = 120,337.31 : x
  2. Step 2: Convert to fraction form
    215,832.53/297,849.08 = 120,337.31/x
  3. Step 3: Cross multiply
    215,832.53x = 297,849.08 × 120,337.31
  4. Step 4: Simplify right side
    215,832.53x = 35,842,357,073.17
  5. Step 5: Solve for x
    x = 35,842,357,073.17/215,832.53
  6. Step 6: Final answer
    x = 166,065.59

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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.