Home / 114,760.38-172,168.26-39,869.64

Finding the Fourth Proportional to 114,760.38, 172,168.26 and 39,869.64

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Solution

The fourth proportional to 114,760.38, 172,168.26 and 39,869.64 is: 59,814.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,760.38 : 172,168.26 = 39,869.64 : x
  2. Step 2: Convert to fraction form
    114,760.38/172,168.26 = 39,869.64/x
  3. Step 3: Cross multiply
    114,760.38x = 172,168.26 × 39,869.64
  4. Step 4: Simplify right side
    114,760.38x = 6,864,286,545.63
  5. Step 5: Solve for x
    x = 6,864,286,545.63/114,760.38
  6. Step 6: Final answer
    x = 59,814.08

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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.