Home / 122,106.85-182,875.95-118,743.55

Finding the Fourth Proportional to 122,106.85, 182,875.95 and 118,743.55

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Solution

The fourth proportional to 122,106.85, 182,875.95 and 118,743.55 is: 177,838.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,106.85 : 182,875.95 = 118,743.55 : x
  2. Step 2: Convert to fraction form
    122,106.85/182,875.95 = 118,743.55/x
  3. Step 3: Cross multiply
    122,106.85x = 182,875.95 × 118,743.55
  4. Step 4: Simplify right side
    122,106.85x = 21,715,339,512.62
  5. Step 5: Solve for x
    x = 21,715,339,512.62/122,106.85
  6. Step 6: Final answer
    x = 177,838.83

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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.