Home / 163,383.54-245,108.10-74,613.24

Finding the Fourth Proportional to 163,383.54, 245,108.10 and 74,613.24

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Solution

The fourth proportional to 163,383.54, 245,108.10 and 74,613.24 is: 111,934.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,383.54 : 245,108.10 = 74,613.24 : x
  2. Step 2: Convert to fraction form
    163,383.54/245,108.10 = 74,613.24/x
  3. Step 3: Cross multiply
    163,383.54x = 245,108.10 × 74,613.24
  4. Step 4: Simplify right side
    163,383.54x = 18,288,309,491.24
  5. Step 5: Solve for x
    x = 18,288,309,491.24/163,383.54
  6. Step 6: Final answer
    x = 111,934.83

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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.