Home / 119,832.58-165,368.84-66,117.59

Finding the Fourth Proportional to 119,832.58, 165,368.84 and 66,117.59

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Solution

The fourth proportional to 119,832.58, 165,368.84 and 66,117.59 is: 91,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,832.58 : 165,368.84 = 66,117.59 : x
  2. Step 2: Convert to fraction form
    119,832.58/165,368.84 = 66,117.59/x
  3. Step 3: Cross multiply
    119,832.58x = 165,368.84 × 66,117.59
  4. Step 4: Simplify right side
    119,832.58x = 10,933,789,089.70
  5. Step 5: Solve for x
    x = 10,933,789,089.70/119,832.58
  6. Step 6: Final answer
    x = 91,242.21

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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.