Home / 119,824.08-165,354.54-66,114.20

Finding the Fourth Proportional to 119,824.08, 165,354.54 and 66,114.20

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Solution

The fourth proportional to 119,824.08, 165,354.54 and 66,114.20 is: 91,236.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,824.08 : 165,354.54 = 66,114.20 : x
  2. Step 2: Convert to fraction form
    119,824.08/165,354.54 = 66,114.20/x
  3. Step 3: Cross multiply
    119,824.08x = 165,354.54 × 66,114.20
  4. Step 4: Simplify right side
    119,824.08x = 10,932,283,128.47
  5. Step 5: Solve for x
    x = 10,932,283,128.47/119,824.08
  6. Step 6: Final answer
    x = 91,236.11

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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.