Home / 369,177.23-509,464.77-199,411.36

Finding the Fourth Proportional to 369,177.23, 509,464.77 and 199,411.36

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Solution

The fourth proportional to 369,177.23, 509,464.77 and 199,411.36 is: 275,187.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,177.23 : 509,464.77 = 199,411.36 : x
  2. Step 2: Convert to fraction form
    369,177.23/509,464.77 = 199,411.36/x
  3. Step 3: Cross multiply
    369,177.23x = 509,464.77 × 199,411.36
  4. Step 4: Simplify right side
    369,177.23x = 101,593,062,657.79
  5. Step 5: Solve for x
    x = 101,593,062,657.79/369,177.23
  6. Step 6: Final answer
    x = 275,187.78

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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.