Home / 122,726.72-183,820.26-101,425.36

Finding the Fourth Proportional to 122,726.72, 183,820.26 and 101,425.36

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Solution

The fourth proportional to 122,726.72, 183,820.26 and 101,425.36 is: 151,915.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,726.72 : 183,820.26 = 101,425.36 : x
  2. Step 2: Convert to fraction form
    122,726.72/183,820.26 = 101,425.36/x
  3. Step 3: Cross multiply
    122,726.72x = 183,820.26 × 101,425.36
  4. Step 4: Simplify right side
    122,726.72x = 18,644,036,045.79
  5. Step 5: Solve for x
    x = 18,644,036,045.79/122,726.72
  6. Step 6: Final answer
    x = 151,915.05

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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.