Home / 423,644.16-635,466.30-124,124.82

Finding the Fourth Proportional to 423,644.16, 635,466.30 and 124,124.82

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Solution

The fourth proportional to 423,644.16, 635,466.30 and 124,124.82 is: 186,187.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,644.16 : 635,466.30 = 124,124.82 : x
  2. Step 2: Convert to fraction form
    423,644.16/635,466.30 = 124,124.82/x
  3. Step 3: Cross multiply
    423,644.16x = 635,466.30 × 124,124.82
  4. Step 4: Simplify right side
    423,644.16x = 78,877,140,103.57
  5. Step 5: Solve for x
    x = 78,877,140,103.57/423,644.16
  6. Step 6: Final answer
    x = 186,187.25

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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.