Home / 377,105.15-565,509.49-137,162.09

Finding the Fourth Proportional to 377,105.15, 565,509.49 and 137,162.09

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Solution

The fourth proportional to 377,105.15, 565,509.49 and 137,162.09 is: 205,689.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,105.15 : 565,509.49 = 137,162.09 : x
  2. Step 2: Convert to fraction form
    377,105.15/565,509.49 = 137,162.09/x
  3. Step 3: Cross multiply
    377,105.15x = 565,509.49 × 137,162.09
  4. Step 4: Simplify right side
    377,105.15x = 77,566,463,563.23
  5. Step 5: Solve for x
    x = 77,566,463,563.23/377,105.15
  6. Step 6: Final answer
    x = 205,689.22

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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.