Home / 388,572.57-582,937.44-163,933.47

Finding the Fourth Proportional to 388,572.57, 582,937.44 and 163,933.47

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Solution

The fourth proportional to 388,572.57, 582,937.44 and 163,933.47 is: 245,933.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,572.57 : 582,937.44 = 163,933.47 : x
  2. Step 2: Convert to fraction form
    388,572.57/582,937.44 = 163,933.47/x
  3. Step 3: Cross multiply
    388,572.57x = 582,937.44 × 163,933.47
  4. Step 4: Simplify right side
    388,572.57x = 95,562,957,332.12
  5. Step 5: Solve for x
    x = 95,562,957,332.12/388,572.57
  6. Step 6: Final answer
    x = 245,933.36

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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.