Home / 360,531.54-497,529.20-199,383.08

Finding the Fourth Proportional to 360,531.54, 497,529.20 and 199,383.08

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Solution

The fourth proportional to 360,531.54, 497,529.20 and 199,383.08 is: 275,146.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,531.54 : 497,529.20 = 199,383.08 : x
  2. Step 2: Convert to fraction form
    360,531.54/497,529.20 = 199,383.08/x
  3. Step 3: Cross multiply
    360,531.54x = 497,529.20 × 199,383.08
  4. Step 4: Simplify right side
    360,531.54x = 99,198,902,296.75
  5. Step 5: Solve for x
    x = 99,198,902,296.75/360,531.54
  6. Step 6: Final answer
    x = 275,146.25

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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.