Home / 203,180.18-304,790.31-70,042.91

Finding the Fourth Proportional to 203,180.18, 304,790.31 and 70,042.91

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Solution

The fourth proportional to 203,180.18, 304,790.31 and 70,042.91 is: 105,071.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,180.18 : 304,790.31 = 70,042.91 : x
  2. Step 2: Convert to fraction form
    203,180.18/304,790.31 = 70,042.91/x
  3. Step 3: Cross multiply
    203,180.18x = 304,790.31 × 70,042.91
  4. Step 4: Simplify right side
    203,180.18x = 21,348,398,728.25
  5. Step 5: Solve for x
    x = 21,348,398,728.25/203,180.18
  6. Step 6: Final answer
    x = 105,071.27

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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.