Home / 115,666.12-173,516.46-36,782.92

Finding the Fourth Proportional to 115,666.12, 173,516.46 and 36,782.92

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Solution

The fourth proportional to 115,666.12, 173,516.46 and 36,782.92 is: 55,179.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,666.12 : 173,516.46 = 36,782.92 : x
  2. Step 2: Convert to fraction form
    115,666.12/173,516.46 = 36,782.92/x
  3. Step 3: Cross multiply
    115,666.12x = 173,516.46 × 36,782.92
  4. Step 4: Simplify right side
    115,666.12x = 6,382,442,066.86
  5. Step 5: Solve for x
    x = 6,382,442,066.86/115,666.12
  6. Step 6: Final answer
    x = 55,179.88

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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.