Home / 376,151.64-519,089.20-215,010.14

Finding the Fourth Proportional to 376,151.64, 519,089.20 and 215,010.14

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Solution

The fourth proportional to 376,151.64, 519,089.20 and 215,010.14 is: 296,713.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,151.64 : 519,089.20 = 215,010.14 : x
  2. Step 2: Convert to fraction form
    376,151.64/519,089.20 = 215,010.14/x
  3. Step 3: Cross multiply
    376,151.64x = 519,089.20 × 215,010.14
  4. Step 4: Simplify right side
    376,151.64x = 111,609,441,351.39
  5. Step 5: Solve for x
    x = 111,609,441,351.39/376,151.64
  6. Step 6: Final answer
    x = 296,713.96

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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.