Home / 251,659.28-347,157.52-149,612.16

Finding the Fourth Proportional to 251,659.28, 347,157.52 and 149,612.16

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Solution

The fourth proportional to 251,659.28, 347,157.52 and 149,612.16 is: 206,386.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,659.28 : 347,157.52 = 149,612.16 : x
  2. Step 2: Convert to fraction form
    251,659.28/347,157.52 = 149,612.16/x
  3. Step 3: Cross multiply
    251,659.28x = 347,157.52 × 149,612.16
  4. Step 4: Simplify right side
    251,659.28x = 51,938,986,427.44
  5. Step 5: Solve for x
    x = 51,938,986,427.44/251,659.28
  6. Step 6: Final answer
    x = 206,386.14

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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.