Home / 150,799.08-208,112.10-83,731.56

Finding the Fourth Proportional to 150,799.08, 208,112.10 and 83,731.56

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Solution

The fourth proportional to 150,799.08, 208,112.10 and 83,731.56 is: 115,554.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,799.08 : 208,112.10 = 83,731.56 : x
  2. Step 2: Convert to fraction form
    150,799.08/208,112.10 = 83,731.56/x
  3. Step 3: Cross multiply
    150,799.08x = 208,112.10 × 83,731.56
  4. Step 4: Simplify right side
    150,799.08x = 17,425,550,787.88
  5. Step 5: Solve for x
    x = 17,425,550,787.88/150,799.08
  6. Step 6: Final answer
    x = 115,554.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.