Home / 119,976.53-165,566.63-66,265.22

Finding the Fourth Proportional to 119,976.53, 165,566.63 and 66,265.22

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Solution

The fourth proportional to 119,976.53, 165,566.63 and 66,265.22 is: 91,445.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,976.53 : 165,566.63 = 66,265.22 : x
  2. Step 2: Convert to fraction form
    119,976.53/165,566.63 = 66,265.22/x
  3. Step 3: Cross multiply
    119,976.53x = 165,566.63 × 66,265.22
  4. Step 4: Simplify right side
    119,976.53x = 10,971,309,741.19
  5. Step 5: Solve for x
    x = 10,971,309,741.19/119,976.53
  6. Step 6: Final answer
    x = 91,445.47

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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.