Home / 124,450.70-187,064.85-122,117.90

Finding the Fourth Proportional to 124,450.70, 187,064.85 and 122,117.90

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Solution

The fourth proportional to 124,450.70, 187,064.85 and 122,117.90 is: 183,558.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,450.70 : 187,064.85 = 122,117.90 : x
  2. Step 2: Convert to fraction form
    124,450.70/187,064.85 = 122,117.90/x
  3. Step 3: Cross multiply
    124,450.70x = 187,064.85 × 122,117.90
  4. Step 4: Simplify right side
    124,450.70x = 22,843,966,645.82
  5. Step 5: Solve for x
    x = 22,843,966,645.82/124,450.70
  6. Step 6: Final answer
    x = 183,558.36

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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.