Home / 356,638.38-492,167.07-195,483.12

Finding the Fourth Proportional to 356,638.38, 492,167.07 and 195,483.12

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Solution

The fourth proportional to 356,638.38, 492,167.07 and 195,483.12 is: 269,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,638.38 : 492,167.07 = 195,483.12 : x
  2. Step 2: Convert to fraction form
    356,638.38/492,167.07 = 195,483.12/x
  3. Step 3: Cross multiply
    356,638.38x = 492,167.07 × 195,483.12
  4. Step 4: Simplify right side
    356,638.38x = 96,210,354,404.86
  5. Step 5: Solve for x
    x = 96,210,354,404.86/356,638.38
  6. Step 6: Final answer
    x = 269,770.05

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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.