Home / 356,553.03-492,045.05-193,209.60

Finding the Fourth Proportional to 356,553.03, 492,045.05 and 193,209.60

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Solution

The fourth proportional to 356,553.03, 492,045.05 and 193,209.60 is: 266,630.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,553.03 : 492,045.05 = 193,209.60 : x
  2. Step 2: Convert to fraction form
    356,553.03/492,045.05 = 193,209.60/x
  3. Step 3: Cross multiply
    356,553.03x = 492,045.05 × 193,209.60
  4. Step 4: Simplify right side
    356,553.03x = 95,067,825,766.12
  5. Step 5: Solve for x
    x = 95,067,825,766.12/356,553.03
  6. Step 6: Final answer
    x = 266,630.26

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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.