Home / 161,799.36-223,178.90-107,350.35

Finding the Fourth Proportional to 161,799.36, 223,178.90 and 107,350.35

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Solution

The fourth proportional to 161,799.36, 223,178.90 and 107,350.35 is: 148,074.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,799.36 : 223,178.90 = 107,350.35 : x
  2. Step 2: Convert to fraction form
    161,799.36/223,178.90 = 107,350.35/x
  3. Step 3: Cross multiply
    161,799.36x = 223,178.90 × 107,350.35
  4. Step 4: Simplify right side
    161,799.36x = 23,958,332,490.86
  5. Step 5: Solve for x
    x = 23,958,332,490.86/161,799.36
  6. Step 6: Final answer
    x = 148,074.33

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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.