Home / 155,249.46-232,679.35-66,398.50

Finding the Fourth Proportional to 155,249.46, 232,679.35 and 66,398.50

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Solution

The fourth proportional to 155,249.46, 232,679.35 and 66,398.50 is: 99,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,249.46 : 232,679.35 = 66,398.50 : x
  2. Step 2: Convert to fraction form
    155,249.46/232,679.35 = 66,398.50/x
  3. Step 3: Cross multiply
    155,249.46x = 232,679.35 × 66,398.50
  4. Step 4: Simplify right side
    155,249.46x = 15,449,559,820.98
  5. Step 5: Solve for x
    x = 15,449,559,820.98/155,249.46
  6. Step 6: Final answer
    x = 99,514.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.