Home / 213,862.56-295,152.30-123,221.94

Finding the Fourth Proportional to 213,862.56, 295,152.30 and 123,221.94

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Solution

The fourth proportional to 213,862.56, 295,152.30 and 123,221.94 is: 170,058.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,862.56 : 295,152.30 = 123,221.94 : x
  2. Step 2: Convert to fraction form
    213,862.56/295,152.30 = 123,221.94/x
  3. Step 3: Cross multiply
    213,862.56x = 295,152.30 × 123,221.94
  4. Step 4: Simplify right side
    213,862.56x = 36,369,239,001.46
  5. Step 5: Solve for x
    x = 36,369,239,001.46/213,862.56
  6. Step 6: Final answer
    x = 170,058.93

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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.