Home / 168,949.55-232,768.03-138,686.94

Finding the Fourth Proportional to 168,949.55, 232,768.03 and 138,686.94

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Solution

The fourth proportional to 168,949.55, 232,768.03 and 138,686.94 is: 191,074.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,949.55 : 232,768.03 = 138,686.94 : x
  2. Step 2: Convert to fraction form
    168,949.55/232,768.03 = 138,686.94/x
  3. Step 3: Cross multiply
    168,949.55x = 232,768.03 × 138,686.94
  4. Step 4: Simplify right side
    168,949.55x = 32,281,885,463.81
  5. Step 5: Solve for x
    x = 32,281,885,463.81/168,949.55
  6. Step 6: Final answer
    x = 191,074.12

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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.