Home / 146,725.20-202,118.04-125,144.64

Finding the Fourth Proportional to 146,725.20, 202,118.04 and 125,144.64

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Solution

The fourth proportional to 146,725.20, 202,118.04 and 125,144.64 is: 172,390.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,725.20 : 202,118.04 = 125,144.64 : x
  2. Step 2: Convert to fraction form
    146,725.20/202,118.04 = 125,144.64/x
  3. Step 3: Cross multiply
    146,725.20x = 202,118.04 × 125,144.64
  4. Step 4: Simplify right side
    146,725.20x = 25,293,989,353.31
  5. Step 5: Solve for x
    x = 25,293,989,353.31/146,725.20
  6. Step 6: Final answer
    x = 172,390.22

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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.