Home / 247,835.40-371,544.12-107,488.32

Finding the Fourth Proportional to 247,835.40, 371,544.12 and 107,488.32

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Solution

The fourth proportional to 247,835.40, 371,544.12 and 107,488.32 is: 161,141.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,835.40 : 371,544.12 = 107,488.32 : x
  2. Step 2: Convert to fraction form
    247,835.40/371,544.12 = 107,488.32/x
  3. Step 3: Cross multiply
    247,835.40x = 371,544.12 × 107,488.32
  4. Step 4: Simplify right side
    247,835.40x = 39,936,653,264.68
  5. Step 5: Solve for x
    x = 39,936,653,264.68/247,835.40
  6. Step 6: Final answer
    x = 161,141.84

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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.