Home / 376,151.07-519,088.42-215,009.58

Finding the Fourth Proportional to 376,151.07, 519,088.42 and 215,009.58

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Solution

The fourth proportional to 376,151.07, 519,088.42 and 215,009.58 is: 296,713.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,151.07 : 519,088.42 = 215,009.58 : x
  2. Step 2: Convert to fraction form
    376,151.07/519,088.42 = 215,009.58/x
  3. Step 3: Cross multiply
    376,151.07x = 519,088.42 × 215,009.58
  4. Step 4: Simplify right side
    376,151.07x = 111,608,983,639.55
  5. Step 5: Solve for x
    x = 111,608,983,639.55/376,151.07
  6. Step 6: Final answer
    x = 296,713.19

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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.