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Finding the Fourth Proportional to 190,843.83, 262,931.25 and 147,674.88

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Solution

The fourth proportional to 190,843.83, 262,931.25 and 147,674.88 is: 203,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,843.83 : 262,931.25 = 147,674.88 : x
  2. Step 2: Convert to fraction form
    190,843.83/262,931.25 = 147,674.88/x
  3. Step 3: Cross multiply
    190,843.83x = 262,931.25 × 147,674.88
  4. Step 4: Simplify right side
    190,843.83x = 38,828,340,792
  5. Step 5: Solve for x
    x = 38,828,340,792/190,843.83
  6. Step 6: Final answer
    x = 203,456.10

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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.