Home / 268,501.11-370,439.31-166,489.84

Finding the Fourth Proportional to 268,501.11, 370,439.31 and 166,489.84

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Solution

The fourth proportional to 268,501.11, 370,439.31 and 166,489.84 is: 229,698.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,501.11 : 370,439.31 = 166,489.84 : x
  2. Step 2: Convert to fraction form
    268,501.11/370,439.31 = 166,489.84/x
  3. Step 3: Cross multiply
    268,501.11x = 370,439.31 × 166,489.84
  4. Step 4: Simplify right side
    268,501.11x = 61,674,381,451.61
  5. Step 5: Solve for x
    x = 61,674,381,451.61/268,501.11
  6. Step 6: Final answer
    x = 229,698.80

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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.