Home / 252,152.18-378,261.06-92,203.21

Finding the Fourth Proportional to 252,152.18, 378,261.06 and 92,203.21

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Solution

The fourth proportional to 252,152.18, 378,261.06 and 92,203.21 is: 138,316.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,152.18 : 378,261.06 = 92,203.21 : x
  2. Step 2: Convert to fraction form
    252,152.18/378,261.06 = 92,203.21/x
  3. Step 3: Cross multiply
    252,152.18x = 378,261.06 × 92,203.21
  4. Step 4: Simplify right side
    252,152.18x = 34,876,883,950.00
  5. Step 5: Solve for x
    x = 34,876,883,950.00/252,152.18
  6. Step 6: Final answer
    x = 138,316.81

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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.