Home / 115,487.26-173,200.29-45,367.18

Finding the Fourth Proportional to 115,487.26, 173,200.29 and 45,367.18

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Solution

The fourth proportional to 115,487.26, 173,200.29 and 45,367.18 is: 68,038.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,487.26 : 173,200.29 = 45,367.18 : x
  2. Step 2: Convert to fraction form
    115,487.26/173,200.29 = 45,367.18/x
  3. Step 3: Cross multiply
    115,487.26x = 173,200.29 × 45,367.18
  4. Step 4: Simplify right side
    115,487.26x = 7,857,608,732.48
  5. Step 5: Solve for x
    x = 7,857,608,732.48/115,487.26
  6. Step 6: Final answer
    x = 68,038.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.