Home / 377,103.15-565,506.49-137,160.09

Finding the Fourth Proportional to 377,103.15, 565,506.49 and 137,160.09

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Solution

The fourth proportional to 377,103.15, 565,506.49 and 137,160.09 is: 205,686.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,103.15 : 565,506.49 = 137,160.09 : x
  2. Step 2: Convert to fraction form
    377,103.15/565,506.49 = 137,160.09/x
  3. Step 3: Cross multiply
    377,103.15x = 565,506.49 × 137,160.09
  4. Step 4: Simplify right side
    377,103.15x = 77,564,921,063.98
  5. Step 5: Solve for x
    x = 77,564,921,063.98/377,103.15
  6. Step 6: Final answer
    x = 205,686.22

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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.