Home / 251,642.25-347,151.90-149,609.85

Finding the Fourth Proportional to 251,642.25, 347,151.90 and 149,609.85

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Solution

The fourth proportional to 251,642.25, 347,151.90 and 149,609.85 is: 206,393.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,642.25 : 347,151.90 = 149,609.85 : x
  2. Step 2: Convert to fraction form
    251,642.25/347,151.90 = 149,609.85/x
  3. Step 3: Cross multiply
    251,642.25x = 347,151.90 × 149,609.85
  4. Step 4: Simplify right side
    251,642.25x = 51,937,343,686.22
  5. Step 5: Solve for x
    x = 51,937,343,686.22/251,642.25
  6. Step 6: Final answer
    x = 206,393.58

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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.