Home / 203,342.14-305,053.98-70,227.28

Finding the Fourth Proportional to 203,342.14, 305,053.98 and 70,227.28

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Solution

The fourth proportional to 203,342.14, 305,053.98 and 70,227.28 is: 105,355.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,342.14 : 305,053.98 = 70,227.28 : x
  2. Step 2: Convert to fraction form
    203,342.14/305,053.98 = 70,227.28/x
  3. Step 3: Cross multiply
    203,342.14x = 305,053.98 × 70,227.28
  4. Step 4: Simplify right side
    203,342.14x = 21,423,111,268.57
  5. Step 5: Solve for x
    x = 21,423,111,268.57/203,342.14
  6. Step 6: Final answer
    x = 105,355.00

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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.