Home / 114,127.68-157,517.82-76,467.36

Finding the Fourth Proportional to 114,127.68, 157,517.82 and 76,467.36

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Solution

The fourth proportional to 114,127.68, 157,517.82 and 76,467.36 is: 105,539.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,127.68 : 157,517.82 = 76,467.36 : x
  2. Step 2: Convert to fraction form
    114,127.68/157,517.82 = 76,467.36/x
  3. Step 3: Cross multiply
    114,127.68x = 157,517.82 × 76,467.36
  4. Step 4: Simplify right side
    114,127.68x = 12,044,971,848.36
  5. Step 5: Solve for x
    x = 12,044,971,848.36/114,127.68
  6. Step 6: Final answer
    x = 105,539.44

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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.