Home / 215,350.74-297,181.02-119,857.45

Finding the Fourth Proportional to 215,350.74, 297,181.02 and 119,857.45

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Solution

The fourth proportional to 215,350.74, 297,181.02 and 119,857.45 is: 165,401.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,350.74 : 297,181.02 = 119,857.45 : x
  2. Step 2: Convert to fraction form
    215,350.74/297,181.02 = 119,857.45/x
  3. Step 3: Cross multiply
    215,350.74x = 297,181.02 × 119,857.45
  4. Step 4: Simplify right side
    215,350.74x = 35,619,359,245.60
  5. Step 5: Solve for x
    x = 35,619,359,245.60/215,350.74
  6. Step 6: Final answer
    x = 165,401.61

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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.