Home / 378,215.16-567,260.70-153,566.52

Finding the Fourth Proportional to 378,215.16, 567,260.70 and 153,566.52

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Solution

The fourth proportional to 378,215.16, 567,260.70 and 153,566.52 is: 230,324.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,215.16 : 567,260.70 = 153,566.52 : x
  2. Step 2: Convert to fraction form
    378,215.16/567,260.70 = 153,566.52/x
  3. Step 3: Cross multiply
    378,215.16x = 567,260.70 × 153,566.52
  4. Step 4: Simplify right side
    378,215.16x = 87,112,251,631.76
  5. Step 5: Solve for x
    x = 87,112,251,631.76/378,215.16
  6. Step 6: Final answer
    x = 230,324.59

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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.