Home / 372,219.12-558,380.16-119,440.17

Finding the Fourth Proportional to 372,219.12, 558,380.16 and 119,440.17

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Solution

The fourth proportional to 372,219.12, 558,380.16 and 119,440.17 is: 179,176.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,219.12 : 558,380.16 = 119,440.17 : x
  2. Step 2: Convert to fraction form
    372,219.12/558,380.16 = 119,440.17/x
  3. Step 3: Cross multiply
    372,219.12x = 558,380.16 × 119,440.17
  4. Step 4: Simplify right side
    372,219.12x = 66,693,021,235.03
  5. Step 5: Solve for x
    x = 66,693,021,235.03/372,219.12
  6. Step 6: Final answer
    x = 179,176.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.