Home / 223,118.15-307,901.66-127,626.44

Finding the Fourth Proportional to 223,118.15, 307,901.66 and 127,626.44

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Solution

The fourth proportional to 223,118.15, 307,901.66 and 127,626.44 is: 176,123.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,118.15 : 307,901.66 = 127,626.44 : x
  2. Step 2: Convert to fraction form
    223,118.15/307,901.66 = 127,626.44/x
  3. Step 3: Cross multiply
    223,118.15x = 307,901.66 × 127,626.44
  4. Step 4: Simplify right side
    223,118.15x = 39,296,390,558.25
  5. Step 5: Solve for x
    x = 39,296,390,558.25/223,118.15
  6. Step 6: Final answer
    x = 176,123.69

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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.