Home / 168,028.80-252,043.20-153,513.60

Finding the Fourth Proportional to 168,028.80, 252,043.20 and 153,513.60

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Solution

The fourth proportional to 168,028.80, 252,043.20 and 153,513.60 is: 230,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,028.80 : 252,043.20 = 153,513.60 : x
  2. Step 2: Convert to fraction form
    168,028.80/252,043.20 = 153,513.60/x
  3. Step 3: Cross multiply
    168,028.80x = 252,043.20 × 153,513.60
  4. Step 4: Simplify right side
    168,028.80x = 38,692,058,987.52
  5. Step 5: Solve for x
    x = 38,692,058,987.52/168,028.80
  6. Step 6: Final answer
    x = 230,270.40

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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.