Home / 140,167.26-193,432.26-76,506.12

Finding the Fourth Proportional to 140,167.26, 193,432.26 and 76,506.12

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Solution

The fourth proportional to 140,167.26, 193,432.26 and 76,506.12 is: 105,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,167.26 : 193,432.26 = 76,506.12 : x
  2. Step 2: Convert to fraction form
    140,167.26/193,432.26 = 76,506.12/x
  3. Step 3: Cross multiply
    140,167.26x = 193,432.26 × 76,506.12
  4. Step 4: Simplify right side
    140,167.26x = 14,798,751,695.43
  5. Step 5: Solve for x
    x = 14,798,751,695.43/140,167.26
  6. Step 6: Final answer
    x = 105,579.23

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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.