Home / 149,267.93-205,772.13-113,395.68

Finding the Fourth Proportional to 149,267.93, 205,772.13 and 113,395.68

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Solution

The fourth proportional to 149,267.93, 205,772.13 and 113,395.68 is: 156,320.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,267.93 : 205,772.13 = 113,395.68 : x
  2. Step 2: Convert to fraction form
    149,267.93/205,772.13 = 113,395.68/x
  3. Step 3: Cross multiply
    149,267.93x = 205,772.13 × 113,395.68
  4. Step 4: Simplify right side
    149,267.93x = 23,333,670,606.40
  5. Step 5: Solve for x
    x = 23,333,670,606.40/149,267.93
  6. Step 6: Final answer
    x = 156,320.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.