Home / 203,180.43-304,790.69-70,043.16

Finding the Fourth Proportional to 203,180.43, 304,790.69 and 70,043.16

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Solution

The fourth proportional to 203,180.43, 304,790.69 and 70,043.16 is: 105,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,180.43 : 304,790.69 = 70,043.16 : x
  2. Step 2: Convert to fraction form
    203,180.43/304,790.69 = 70,043.16/x
  3. Step 3: Cross multiply
    203,180.43x = 304,790.69 × 70,043.16
  4. Step 4: Simplify right side
    203,180.43x = 21,348,501,192.01
  5. Step 5: Solve for x
    x = 21,348,501,192.01/203,180.43
  6. Step 6: Final answer
    x = 105,071.64

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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.