Home / 215,666.01-297,618.35-120,173.85

Finding the Fourth Proportional to 215,666.01, 297,618.35 and 120,173.85

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Solution

The fourth proportional to 215,666.01, 297,618.35 and 120,173.85 is: 165,839.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,666.01 : 297,618.35 = 120,173.85 : x
  2. Step 2: Convert to fraction form
    215,666.01/297,618.35 = 120,173.85/x
  3. Step 3: Cross multiply
    215,666.01x = 297,618.35 × 120,173.85
  4. Step 4: Simplify right side
    215,666.01x = 35,765,942,349.28
  5. Step 5: Solve for x
    x = 35,765,942,349.28/215,666.01
  6. Step 6: Final answer
    x = 165,839.50

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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.