Home / 122,121.72-183,211.20-37,877.58

Finding the Fourth Proportional to 122,121.72, 183,211.20 and 37,877.58

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Solution

The fourth proportional to 122,121.72, 183,211.20 and 37,877.58 is: 56,825.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,121.72 : 183,211.20 = 37,877.58 : x
  2. Step 2: Convert to fraction form
    122,121.72/183,211.20 = 37,877.58/x
  3. Step 3: Cross multiply
    122,121.72x = 183,211.20 × 37,877.58
  4. Step 4: Simplify right side
    122,121.72x = 6,939,596,884.90
  5. Step 5: Solve for x
    x = 6,939,596,884.90/122,121.72
  6. Step 6: Final answer
    x = 56,825.25

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1.5x scale

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.