Home / 119,911.40-165,475.74-66,195.03

Finding the Fourth Proportional to 119,911.40, 165,475.74 and 66,195.03

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Solution

The fourth proportional to 119,911.40, 165,475.74 and 66,195.03 is: 91,348.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,911.40 : 165,475.74 = 66,195.03 : x
  2. Step 2: Convert to fraction form
    119,911.40/165,475.74 = 66,195.03/x
  3. Step 3: Cross multiply
    119,911.40x = 165,475.74 × 66,195.03
  4. Step 4: Simplify right side
    119,911.40x = 10,953,671,573.57
  5. Step 5: Solve for x
    x = 10,953,671,573.57/119,911.40
  6. Step 6: Final answer
    x = 91,348.05

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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.