Home / 115,880.08-173,820.12-53,542.48

Finding the Fourth Proportional to 115,880.08, 173,820.12 and 53,542.48

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Solution

The fourth proportional to 115,880.08, 173,820.12 and 53,542.48 is: 80,313.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,880.08 : 173,820.12 = 53,542.48 : x
  2. Step 2: Convert to fraction form
    115,880.08/173,820.12 = 53,542.48/x
  3. Step 3: Cross multiply
    115,880.08x = 173,820.12 × 53,542.48
  4. Step 4: Simplify right side
    115,880.08x = 9,306,760,298.70
  5. Step 5: Solve for x
    x = 9,306,760,298.70/115,880.08
  6. Step 6: Final answer
    x = 80,313.72

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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.