Home / 369,222.13-509,526.99-199,456.25

Finding the Fourth Proportional to 369,222.13, 509,526.99 and 199,456.25

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Solution

The fourth proportional to 369,222.13, 509,526.99 and 199,456.25 is: 275,249.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,222.13 : 509,526.99 = 199,456.25 : x
  2. Step 2: Convert to fraction form
    369,222.13/509,526.99 = 199,456.25/x
  3. Step 3: Cross multiply
    369,222.13x = 509,526.99 × 199,456.25
  4. Step 4: Simplify right side
    369,222.13x = 101,628,342,699.19
  5. Step 5: Solve for x
    x = 101,628,342,699.19/369,222.13
  6. Step 6: Final answer
    x = 275,249.87

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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.