Home / 168,541.20-252,811.80-151,628.40

Finding the Fourth Proportional to 168,541.20, 252,811.80 and 151,628.40

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Solution

The fourth proportional to 168,541.20, 252,811.80 and 151,628.40 is: 227,442.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,541.20 : 252,811.80 = 151,628.40 : x
  2. Step 2: Convert to fraction form
    168,541.20/252,811.80 = 151,628.40/x
  3. Step 3: Cross multiply
    168,541.20x = 252,811.80 × 151,628.40
  4. Step 4: Simplify right side
    168,541.20x = 38,333,448,735.12
  5. Step 5: Solve for x
    x = 38,333,448,735.12/168,541.20
  6. Step 6: Final answer
    x = 227,442.60

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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.