Home / 139,057.04-208,440.11-64,226.27

Finding the Fourth Proportional to 139,057.04, 208,440.11 and 64,226.27

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Solution

The fourth proportional to 139,057.04, 208,440.11 and 64,226.27 is: 96,272.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,057.04 : 208,440.11 = 64,226.27 : x
  2. Step 2: Convert to fraction form
    139,057.04/208,440.11 = 64,226.27/x
  3. Step 3: Cross multiply
    139,057.04x = 208,440.11 × 64,226.27
  4. Step 4: Simplify right side
    139,057.04x = 13,387,330,783.69
  5. Step 5: Solve for x
    x = 13,387,330,783.69/139,057.04
  6. Step 6: Final answer
    x = 96,272.23

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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.