Home / 122,717.80-183,947.10-70,013.80

Finding the Fourth Proportional to 122,717.80, 183,947.10 and 70,013.80

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Solution

The fourth proportional to 122,717.80, 183,947.10 and 70,013.80 is: 104,946.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,717.80 : 183,947.10 = 70,013.80 : x
  2. Step 2: Convert to fraction form
    122,717.80/183,947.10 = 70,013.80/x
  3. Step 3: Cross multiply
    122,717.80x = 183,947.10 × 70,013.80
  4. Step 4: Simplify right side
    122,717.80x = 12,878,835,469.98
  5. Step 5: Solve for x
    x = 12,878,835,469.98/122,717.80
  6. Step 6: Final answer
    x = 104,946.76

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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.