Home / 168,000.60-252,116.10-74,573.40

Finding the Fourth Proportional to 168,000.60, 252,116.10 and 74,573.40

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Solution

The fourth proportional to 168,000.60, 252,116.10 and 74,573.40 is: 111,911.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,000.60 : 252,116.10 = 74,573.40 : x
  2. Step 2: Convert to fraction form
    168,000.60/252,116.10 = 74,573.40/x
  3. Step 3: Cross multiply
    168,000.60x = 252,116.10 × 74,573.40
  4. Step 4: Simplify right side
    168,000.60x = 18,801,154,771.74
  5. Step 5: Solve for x
    x = 18,801,154,771.74/168,000.60
  6. Step 6: Final answer
    x = 111,911.24

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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.