Home / 220,833.50-304,725.96-124,017.71

Finding the Fourth Proportional to 220,833.50, 304,725.96 and 124,017.71

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Solution

The fourth proportional to 220,833.50, 304,725.96 and 124,017.71 is: 171,130.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,833.50 : 304,725.96 = 124,017.71 : x
  2. Step 2: Convert to fraction form
    220,833.50/304,725.96 = 124,017.71/x
  3. Step 3: Cross multiply
    220,833.50x = 304,725.96 × 124,017.71
  4. Step 4: Simplify right side
    220,833.50x = 37,791,414,213.12
  5. Step 5: Solve for x
    x = 37,791,414,213.12/220,833.50
  6. Step 6: Final answer
    x = 171,130.81

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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.