Home / 372,175.20-558,262.80-214,711.20

Finding the Fourth Proportional to 372,175.20, 558,262.80 and 214,711.20

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Solution

The fourth proportional to 372,175.20, 558,262.80 and 214,711.20 is: 322,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,175.20 : 558,262.80 = 214,711.20 : x
  2. Step 2: Convert to fraction form
    372,175.20/558,262.80 = 214,711.20/x
  3. Step 3: Cross multiply
    372,175.20x = 558,262.80 × 214,711.20
  4. Step 4: Simplify right side
    372,175.20x = 119,865,275,703.36
  5. Step 5: Solve for x
    x = 119,865,275,703.36/372,175.20
  6. Step 6: Final answer
    x = 322,066.80

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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.