Home / 369,669.80-510,144.33-199,903.92

Finding the Fourth Proportional to 369,669.80, 510,144.33 and 199,903.92

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Solution

The fourth proportional to 369,669.80, 510,144.33 and 199,903.92 is: 275,867.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,669.80 : 510,144.33 = 199,903.92 : x
  2. Step 2: Convert to fraction form
    369,669.80/510,144.33 = 199,903.92/x
  3. Step 3: Cross multiply
    369,669.80x = 510,144.33 × 199,903.92
  4. Step 4: Simplify right side
    369,669.80x = 101,979,851,332.77
  5. Step 5: Solve for x
    x = 101,979,851,332.77/369,669.80
  6. Step 6: Final answer
    x = 275,867.42

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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.