Home / 423,619.41-635,516.60-124,109.76

Finding the Fourth Proportional to 423,619.41, 635,516.60 and 124,109.76

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Solution

The fourth proportional to 423,619.41, 635,516.60 and 124,109.76 is: 186,190.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,619.41 : 635,516.60 = 124,109.76 : x
  2. Step 2: Convert to fraction form
    423,619.41/635,516.60 = 124,109.76/x
  3. Step 3: Cross multiply
    423,619.41x = 635,516.60 × 124,109.76
  4. Step 4: Simplify right side
    423,619.41x = 78,873,812,702.02
  5. Step 5: Solve for x
    x = 78,873,812,702.02/423,619.41
  6. Step 6: Final answer
    x = 186,190.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.