Home / 141,815.23-195,714.70-86,648.17

Finding the Fourth Proportional to 141,815.23, 195,714.70 and 86,648.17

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Solution

The fourth proportional to 141,815.23, 195,714.70 and 86,648.17 is: 119,580.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,815.23 : 195,714.70 = 86,648.17 : x
  2. Step 2: Convert to fraction form
    141,815.23/195,714.70 = 86,648.17/x
  3. Step 3: Cross multiply
    141,815.23x = 195,714.70 × 86,648.17
  4. Step 4: Simplify right side
    141,815.23x = 16,958,320,163.86
  5. Step 5: Solve for x
    x = 16,958,320,163.86/141,815.23
  6. Step 6: Final answer
    x = 119,580.39

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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.