Home / 122,450.31-183,746.40-51,366.66

Finding the Fourth Proportional to 122,450.31, 183,746.40 and 51,366.66

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Solution

The fourth proportional to 122,450.31, 183,746.40 and 51,366.66 is: 77,079.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,450.31 : 183,746.40 = 51,366.66 : x
  2. Step 2: Convert to fraction form
    122,450.31/183,746.40 = 51,366.66/x
  3. Step 3: Cross multiply
    122,450.31x = 183,746.40 × 51,366.66
  4. Step 4: Simplify right side
    122,450.31x = 9,438,438,117.82
  5. Step 5: Solve for x
    x = 9,438,438,117.82/122,450.31
  6. Step 6: Final answer
    x = 77,079.74

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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.