Home / 146,816.32-202,623.52-137,808.64

Finding the Fourth Proportional to 146,816.32, 202,623.52 and 137,808.64

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Solution

The fourth proportional to 146,816.32, 202,623.52 and 137,808.64 is: 190,191.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,816.32 : 202,623.52 = 137,808.64 : x
  2. Step 2: Convert to fraction form
    146,816.32/202,623.52 = 137,808.64/x
  3. Step 3: Cross multiply
    146,816.32x = 202,623.52 × 137,808.64
  4. Step 4: Simplify right side
    146,816.32x = 27,923,271,723.21
  5. Step 5: Solve for x
    x = 27,923,271,723.21/146,816.32
  6. Step 6: Final answer
    x = 190,191.88

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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.