Home / 356,272.86-491,637.80-195,124.48

Finding the Fourth Proportional to 356,272.86, 491,637.80 and 195,124.48

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Solution

The fourth proportional to 356,272.86, 491,637.80 and 195,124.48 is: 269,261.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,272.86 : 491,637.80 = 195,124.48 : x
  2. Step 2: Convert to fraction form
    356,272.86/491,637.80 = 195,124.48/x
  3. Step 3: Cross multiply
    356,272.86x = 491,637.80 × 195,124.48
  4. Step 4: Simplify right side
    356,272.86x = 95,930,569,332.06
  5. Step 5: Solve for x
    x = 95,930,569,332.06/356,272.86
  6. Step 6: Final answer
    x = 269,261.51

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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.