Home / 125,622.30-188,374.05-73,047.90

Finding the Fourth Proportional to 125,622.30, 188,374.05 and 73,047.90

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Solution

The fourth proportional to 125,622.30, 188,374.05 and 73,047.90 is: 109,537.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,622.30 : 188,374.05 = 73,047.90 : x
  2. Step 2: Convert to fraction form
    125,622.30/188,374.05 = 73,047.90/x
  3. Step 3: Cross multiply
    125,622.30x = 188,374.05 × 73,047.90
  4. Step 4: Simplify right side
    125,622.30x = 13,760,328,767.00
  5. Step 5: Solve for x
    x = 13,760,328,767.00/125,622.30
  6. Step 6: Final answer
    x = 109,537.31

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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.