Home / 115,348.48-173,022.72-45,260.80

Finding the Fourth Proportional to 115,348.48, 173,022.72 and 45,260.80

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Solution

The fourth proportional to 115,348.48, 173,022.72 and 45,260.80 is: 67,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,348.48 : 173,022.72 = 45,260.80 : x
  2. Step 2: Convert to fraction form
    115,348.48/173,022.72 = 45,260.80/x
  3. Step 3: Cross multiply
    115,348.48x = 173,022.72 × 45,260.80
  4. Step 4: Simplify right side
    115,348.48x = 7,831,146,725.38
  5. Step 5: Solve for x
    x = 7,831,146,725.38/115,348.48
  6. Step 6: Final answer
    x = 67,891.20

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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.