Home / 150,411.68-207,573.89-85,891.44

Finding the Fourth Proportional to 150,411.68, 207,573.89 and 85,891.44

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Solution

The fourth proportional to 150,411.68, 207,573.89 and 85,891.44 is: 118,533.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,411.68 : 207,573.89 = 85,891.44 : x
  2. Step 2: Convert to fraction form
    150,411.68/207,573.89 = 85,891.44/x
  3. Step 3: Cross multiply
    150,411.68x = 207,573.89 × 85,891.44
  4. Step 4: Simplify right side
    150,411.68x = 17,828,819,982.98
  5. Step 5: Solve for x
    x = 17,828,819,982.98/150,411.68
  6. Step 6: Final answer
    x = 118,533.48

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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.