Home / 119,808.14-165,334.74-66,096.50

Finding the Fourth Proportional to 119,808.14, 165,334.74 and 66,096.50

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Solution

The fourth proportional to 119,808.14, 165,334.74 and 66,096.50 is: 91,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,808.14 : 165,334.74 = 66,096.50 : x
  2. Step 2: Convert to fraction form
    119,808.14/165,334.74 = 66,096.50/x
  3. Step 3: Cross multiply
    119,808.14x = 165,334.74 × 66,096.50
  4. Step 4: Simplify right side
    119,808.14x = 10,928,047,642.41
  5. Step 5: Solve for x
    x = 10,928,047,642.41/119,808.14
  6. Step 6: Final answer
    x = 91,212.90

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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.