Home / 356,578.18-492,055.56-195,421.80

Finding the Fourth Proportional to 356,578.18, 492,055.56 and 195,421.80

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Solution

The fourth proportional to 356,578.18, 492,055.56 and 195,421.80 is: 269,669.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,578.18 : 492,055.56 = 195,421.80 : x
  2. Step 2: Convert to fraction form
    356,578.18/492,055.56 = 195,421.80/x
  3. Step 3: Cross multiply
    356,578.18x = 492,055.56 × 195,421.80
  4. Step 4: Simplify right side
    356,578.18x = 96,158,383,235.21
  5. Step 5: Solve for x
    x = 96,158,383,235.21/356,578.18
  6. Step 6: Final answer
    x = 269,669.85

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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.