Home / 122,530.60-183,795.90-111,644.20

Finding the Fourth Proportional to 122,530.60, 183,795.90 and 111,644.20

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Solution

The fourth proportional to 122,530.60, 183,795.90 and 111,644.20 is: 167,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,530.60 : 183,795.90 = 111,644.20 : x
  2. Step 2: Convert to fraction form
    122,530.60/183,795.90 = 111,644.20/x
  3. Step 3: Cross multiply
    122,530.60x = 183,795.90 × 111,644.20
  4. Step 4: Simplify right side
    122,530.60x = 20,519,746,218.78
  5. Step 5: Solve for x
    x = 20,519,746,218.78/122,530.60
  6. Step 6: Final answer
    x = 167,466.30

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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.