Home / 487,730.31-731,665.56-150,797.23

Finding the Fourth Proportional to 487,730.31, 731,665.56 and 150,797.23

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Solution

The fourth proportional to 487,730.31, 731,665.56 and 150,797.23 is: 226,217.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,730.31 : 731,665.56 = 150,797.23 : x
  2. Step 2: Convert to fraction form
    487,730.31/731,665.56 = 150,797.23/x
  3. Step 3: Cross multiply
    487,730.31x = 731,665.56 × 150,797.23
  4. Step 4: Simplify right side
    487,730.31x = 110,333,137,622.49
  5. Step 5: Solve for x
    x = 110,333,137,622.49/487,730.31
  6. Step 6: Final answer
    x = 226,217.51

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1.5x scale

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.