Home / 122,785.26-183,281.48-105,367.02

Finding the Fourth Proportional to 122,785.26, 183,281.48 and 105,367.02

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Solution

The fourth proportional to 122,785.26, 183,281.48 and 105,367.02 is: 157,281.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,785.26 : 183,281.48 = 105,367.02 : x
  2. Step 2: Convert to fraction form
    122,785.26/183,281.48 = 105,367.02/x
  3. Step 3: Cross multiply
    122,785.26x = 183,281.48 × 105,367.02
  4. Step 4: Simplify right side
    122,785.26x = 19,311,822,841.95
  5. Step 5: Solve for x
    x = 19,311,822,841.95/122,785.26
  6. Step 6: Final answer
    x = 157,281.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.