Home / 220,926.81-304,881.03-125,435.55

Finding the Fourth Proportional to 220,926.81, 304,881.03 and 125,435.55

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Solution

The fourth proportional to 220,926.81, 304,881.03 and 125,435.55 is: 173,102.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,926.81 : 304,881.03 = 125,435.55 : x
  2. Step 2: Convert to fraction form
    220,926.81/304,881.03 = 125,435.55/x
  3. Step 3: Cross multiply
    220,926.81x = 304,881.03 × 125,435.55
  4. Step 4: Simplify right side
    220,926.81x = 38,242,919,682.62
  5. Step 5: Solve for x
    x = 38,242,919,682.62/220,926.81
  6. Step 6: Final answer
    x = 173,102.21

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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.