Home / 120,167.59-165,834.09-66,453.64

Finding the Fourth Proportional to 120,167.59, 165,834.09 and 66,453.64

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Solution

The fourth proportional to 120,167.59, 165,834.09 and 66,453.64 is: 91,707.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,167.59 : 165,834.09 = 66,453.64 : x
  2. Step 2: Convert to fraction form
    120,167.59/165,834.09 = 66,453.64/x
  3. Step 3: Cross multiply
    120,167.59x = 165,834.09 × 66,453.64
  4. Step 4: Simplify right side
    120,167.59x = 11,020,278,916.59
  5. Step 5: Solve for x
    x = 11,020,278,916.59/120,167.59
  6. Step 6: Final answer
    x = 91,707.58

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1.5x scale

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.