Home / 220,333.80-304,115.94-124,897.44

Finding the Fourth Proportional to 220,333.80, 304,115.94 and 124,897.44

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Solution

The fourth proportional to 220,333.80, 304,115.94 and 124,897.44 is: 172,389.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,333.80 : 304,115.94 = 124,897.44 : x
  2. Step 2: Convert to fraction form
    220,333.80/304,115.94 = 124,897.44/x
  3. Step 3: Cross multiply
    220,333.80x = 304,115.94 × 124,897.44
  4. Step 4: Simplify right side
    220,333.80x = 37,983,302,369.19
  5. Step 5: Solve for x
    x = 37,983,302,369.19/220,333.80
  6. Step 6: Final answer
    x = 172,389.81

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1.5x scale

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.