Home / 119,784.62-165,302.10-66,069.52

Finding the Fourth Proportional to 119,784.62, 165,302.10 and 66,069.52

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Solution

The fourth proportional to 119,784.62, 165,302.10 and 66,069.52 is: 91,175.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,784.62 : 165,302.10 = 66,069.52 : x
  2. Step 2: Convert to fraction form
    119,784.62/165,302.10 = 66,069.52/x
  3. Step 3: Cross multiply
    119,784.62x = 165,302.10 × 66,069.52
  4. Step 4: Simplify right side
    119,784.62x = 10,921,429,823.24
  5. Step 5: Solve for x
    x = 10,921,429,823.24/119,784.62
  6. Step 6: Final answer
    x = 91,175.56

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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.