Home / 223,172.82-307,957.14-126,381.06

Finding the Fourth Proportional to 223,172.82, 307,957.14 and 126,381.06

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Solution

The fourth proportional to 223,172.82, 307,957.14 and 126,381.06 is: 174,393.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,172.82 : 307,957.14 = 126,381.06 : x
  2. Step 2: Convert to fraction form
    223,172.82/307,957.14 = 126,381.06/x
  3. Step 3: Cross multiply
    223,172.82x = 307,957.14 × 126,381.06
  4. Step 4: Simplify right side
    223,172.82x = 38,919,949,787.77
  5. Step 5: Solve for x
    x = 38,919,949,787.77/223,172.82
  6. Step 6: Final answer
    x = 174,393.77

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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.