Home / 122,357.10-183,535.66-103,694.70

Finding the Fourth Proportional to 122,357.10, 183,535.66 and 103,694.70

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Solution

The fourth proportional to 122,357.10, 183,535.66 and 103,694.70 is: 155,542.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,357.10 : 183,535.66 = 103,694.70 : x
  2. Step 2: Convert to fraction form
    122,357.10/183,535.66 = 103,694.70/x
  3. Step 3: Cross multiply
    122,357.10x = 183,535.66 × 103,694.70
  4. Step 4: Simplify right side
    122,357.10x = 19,031,675,203.00
  5. Step 5: Solve for x
    x = 19,031,675,203.00/122,357.10
  6. Step 6: Final answer
    x = 155,542.06

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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.