Home / 139,025.16-208,550.04-39,186.24

Finding the Fourth Proportional to 139,025.16, 208,550.04 and 39,186.24

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Solution

The fourth proportional to 139,025.16, 208,550.04 and 39,186.24 is: 58,782.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,025.16 : 208,550.04 = 39,186.24 : x
  2. Step 2: Convert to fraction form
    139,025.16/208,550.04 = 39,186.24/x
  3. Step 3: Cross multiply
    139,025.16x = 208,550.04 × 39,186.24
  4. Step 4: Simplify right side
    139,025.16x = 8,172,291,919.45
  5. Step 5: Solve for x
    x = 8,172,291,919.45/139,025.16
  6. Step 6: Final answer
    x = 58,782.83

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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.