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Finding the Fourth Proportional to 182,189.64, 251,230.90 and 156,782.16

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Solution

The fourth proportional to 182,189.64, 251,230.90 and 156,782.16 is: 216,195.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,189.64 : 251,230.90 = 156,782.16 : x
  2. Step 2: Convert to fraction form
    182,189.64/251,230.90 = 156,782.16/x
  3. Step 3: Cross multiply
    182,189.64x = 251,230.90 × 156,782.16
  4. Step 4: Simplify right side
    182,189.64x = 39,388,523,160.74
  5. Step 5: Solve for x
    x = 39,388,523,160.74/182,189.64
  6. Step 6: Final answer
    x = 216,195.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.