Home / 251,851.20-347,445.06-144,396.60

Finding the Fourth Proportional to 251,851.20, 347,445.06 and 144,396.60

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Solution

The fourth proportional to 251,851.20, 347,445.06 and 144,396.60 is: 199,204.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,851.20 : 347,445.06 = 144,396.60 : x
  2. Step 2: Convert to fraction form
    251,851.20/347,445.06 = 144,396.60/x
  3. Step 3: Cross multiply
    251,851.20x = 347,445.06 × 144,396.60
  4. Step 4: Simplify right side
    251,851.20x = 50,169,885,350.80
  5. Step 5: Solve for x
    x = 50,169,885,350.80/251,851.20
  6. Step 6: Final answer
    x = 199,204.47

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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.