Home / 145,190.04-217,786.16-40,014.76

Finding the Fourth Proportional to 145,190.04, 217,786.16 and 40,014.76

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Solution

The fourth proportional to 145,190.04, 217,786.16 and 40,014.76 is: 60,022.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,190.04 : 217,786.16 = 40,014.76 : x
  2. Step 2: Convert to fraction form
    145,190.04/217,786.16 = 40,014.76/x
  3. Step 3: Cross multiply
    145,190.04x = 217,786.16 × 40,014.76
  4. Step 4: Simplify right side
    145,190.04x = 8,714,660,923.72
  5. Step 5: Solve for x
    x = 8,714,660,923.72/145,190.04
  6. Step 6: Final answer
    x = 60,022.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.