Home / 204,053.63-305,905.14-70,916.59

Finding the Fourth Proportional to 204,053.63, 305,905.14 and 70,916.59

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Solution

The fourth proportional to 204,053.63, 305,905.14 and 70,916.59 is: 106,313.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,053.63 : 305,905.14 = 70,916.59 : x
  2. Step 2: Convert to fraction form
    204,053.63/305,905.14 = 70,916.59/x
  3. Step 3: Cross multiply
    204,053.63x = 305,905.14 × 70,916.59
  4. Step 4: Simplify right side
    204,053.63x = 21,693,747,685.46
  5. Step 5: Solve for x
    x = 21,693,747,685.46/204,053.63
  6. Step 6: Final answer
    x = 106,313.95

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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.