Home / 343,585.72-474,132.30-190,622.28

Finding the Fourth Proportional to 343,585.72, 474,132.30 and 190,622.28

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Solution

The fourth proportional to 343,585.72, 474,132.30 and 190,622.28 is: 263,049.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,585.72 : 474,132.30 = 190,622.28 : x
  2. Step 2: Convert to fraction form
    343,585.72/474,132.30 = 190,622.28/x
  3. Step 3: Cross multiply
    343,585.72x = 474,132.30 × 190,622.28
  4. Step 4: Simplify right side
    343,585.72x = 90,380,181,232.97
  5. Step 5: Solve for x
    x = 90,380,181,232.97/343,585.72
  6. Step 6: Final answer
    x = 263,049.88

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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.