Home / 109,329.92-163,996.32-30,442.24

Finding the Fourth Proportional to 109,329.92, 163,996.32 and 30,442.24

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Solution

The fourth proportional to 109,329.92, 163,996.32 and 30,442.24 is: 45,663.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,329.92 : 163,996.32 = 30,442.24 : x
  2. Step 2: Convert to fraction form
    109,329.92/163,996.32 = 30,442.24/x
  3. Step 3: Cross multiply
    109,329.92x = 163,996.32 × 30,442.24
  4. Step 4: Simplify right side
    109,329.92x = 4,992,415,332.56
  5. Step 5: Solve for x
    x = 4,992,415,332.56/109,329.92
  6. Step 6: Final answer
    x = 45,663.76

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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.