Home / 168,000.20-251,708.70-157,502.60

Finding the Fourth Proportional to 168,000.20, 251,708.70 and 157,502.60

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Solution

The fourth proportional to 168,000.20, 251,708.70 and 157,502.60 is: 235,980.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,000.20 : 251,708.70 = 157,502.60 : x
  2. Step 2: Convert to fraction form
    168,000.20/251,708.70 = 157,502.60/x
  3. Step 3: Cross multiply
    168,000.20x = 251,708.70 × 157,502.60
  4. Step 4: Simplify right side
    168,000.20x = 39,644,774,692.62
  5. Step 5: Solve for x
    x = 39,644,774,692.62/168,000.20
  6. Step 6: Final answer
    x = 235,980.52

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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.