Home / 122,356.85-183,535.28-103,694.45

Finding the Fourth Proportional to 122,356.85, 183,535.28 and 103,694.45

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Solution

The fourth proportional to 122,356.85, 183,535.28 and 103,694.45 is: 155,541.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,356.85 : 183,535.28 = 103,694.45 : x
  2. Step 2: Convert to fraction form
    122,356.85/183,535.28 = 103,694.45/x
  3. Step 3: Cross multiply
    122,356.85x = 183,535.28 × 103,694.45
  4. Step 4: Simplify right side
    122,356.85x = 19,031,589,915.20
  5. Step 5: Solve for x
    x = 19,031,589,915.20/122,356.85
  6. Step 6: Final answer
    x = 155,541.68

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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.