Home / 351,143.28-484,574.16-189,994.80

Finding the Fourth Proportional to 351,143.28, 484,574.16 and 189,994.80

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Solution

The fourth proportional to 351,143.28, 484,574.16 and 189,994.80 is: 262,190.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,143.28 : 484,574.16 = 189,994.80 : x
  2. Step 2: Convert to fraction form
    351,143.28/484,574.16 = 189,994.80/x
  3. Step 3: Cross multiply
    351,143.28x = 484,574.16 × 189,994.80
  4. Step 4: Simplify right side
    351,143.28x = 92,066,570,614.37
  5. Step 5: Solve for x
    x = 92,066,570,614.37/351,143.28
  6. Step 6: Final answer
    x = 262,190.89

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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.