Home / 313,330.42-432,508.31-186,006.12

Finding the Fourth Proportional to 313,330.42, 432,508.31 and 186,006.12

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Solution

The fourth proportional to 313,330.42, 432,508.31 and 186,006.12 is: 256,755.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,330.42 : 432,508.31 = 186,006.12 : x
  2. Step 2: Convert to fraction form
    313,330.42/432,508.31 = 186,006.12/x
  3. Step 3: Cross multiply
    313,330.42x = 432,508.31 × 186,006.12
  4. Step 4: Simplify right side
    313,330.42x = 80,449,192,610.86
  5. Step 5: Solve for x
    x = 80,449,192,610.86/313,330.42
  6. Step 6: Final answer
    x = 256,755.13

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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.