Home / 356,726.86-492,269.91-195,578.35

Finding the Fourth Proportional to 356,726.86, 492,269.91 and 195,578.35

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Solution

The fourth proportional to 356,726.86, 492,269.91 and 195,578.35 is: 269,890.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,726.86 : 492,269.91 = 195,578.35 : x
  2. Step 2: Convert to fraction form
    356,726.86/492,269.91 = 195,578.35/x
  3. Step 3: Cross multiply
    356,726.86x = 492,269.91 × 195,578.35
  4. Step 4: Simplify right side
    356,726.86x = 96,277,336,752.45
  5. Step 5: Solve for x
    x = 96,277,336,752.45/356,726.86
  6. Step 6: Final answer
    x = 269,890.91

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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.