Home / 243,669.32-336,161.80-189,860.92

Finding the Fourth Proportional to 243,669.32, 336,161.80 and 189,860.92

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Solution

The fourth proportional to 243,669.32, 336,161.80 and 189,860.92 is: 261,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,669.32 : 336,161.80 = 189,860.92 : x
  2. Step 2: Convert to fraction form
    243,669.32/336,161.80 = 189,860.92/x
  3. Step 3: Cross multiply
    243,669.32x = 336,161.80 × 189,860.92
  4. Step 4: Simplify right side
    243,669.32x = 63,823,988,616.86
  5. Step 5: Solve for x
    x = 63,823,988,616.86/243,669.32
  6. Step 6: Final answer
    x = 261,928.70

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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.