Home / 356,974.80-492,622.35-193,630.90

Finding the Fourth Proportional to 356,974.80, 492,622.35 and 193,630.90

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Solution

The fourth proportional to 356,974.80, 492,622.35 and 193,630.90 is: 267,209.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,974.80 : 492,622.35 = 193,630.90 : x
  2. Step 2: Convert to fraction form
    356,974.80/492,622.35 = 193,630.90/x
  3. Step 3: Cross multiply
    356,974.80x = 492,622.35 × 193,630.90
  4. Step 4: Simplify right side
    356,974.80x = 95,386,908,990.62
  5. Step 5: Solve for x
    x = 95,386,908,990.62/356,974.80
  6. Step 6: Final answer
    x = 267,209.08

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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.