Home / 222,127.40-306,527.92-125,361.76

Finding the Fourth Proportional to 222,127.40, 306,527.92 and 125,361.76

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Solution

The fourth proportional to 222,127.40, 306,527.92 and 125,361.76 is: 172,994.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,127.40 : 306,527.92 = 125,361.76 : x
  2. Step 2: Convert to fraction form
    222,127.40/306,527.92 = 125,361.76/x
  3. Step 3: Cross multiply
    222,127.40x = 306,527.92 × 125,361.76
  4. Step 4: Simplify right side
    222,127.40x = 38,426,879,540.34
  5. Step 5: Solve for x
    x = 38,426,879,540.34/222,127.40
  6. Step 6: Final answer
    x = 172,994.77

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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.