Home / 168,206.89-232,131.12-91,730.17

Finding the Fourth Proportional to 168,206.89, 232,131.12 and 91,730.17

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Solution

The fourth proportional to 168,206.89, 232,131.12 and 91,730.17 is: 126,590.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,206.89 : 232,131.12 = 91,730.17 : x
  2. Step 2: Convert to fraction form
    168,206.89/232,131.12 = 91,730.17/x
  3. Step 3: Cross multiply
    168,206.89x = 232,131.12 × 91,730.17
  4. Step 4: Simplify right side
    168,206.89x = 21,293,427,099.89
  5. Step 5: Solve for x
    x = 21,293,427,099.89/168,206.89
  6. Step 6: Final answer
    x = 126,590.69

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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.