Home / 210,400.44-315,698.24-92,056.20

Finding the Fourth Proportional to 210,400.44, 315,698.24 and 92,056.20

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Solution

The fourth proportional to 210,400.44, 315,698.24 and 92,056.20 is: 138,126.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,400.44 : 315,698.24 = 92,056.20 : x
  2. Step 2: Convert to fraction form
    210,400.44/315,698.24 = 92,056.20/x
  3. Step 3: Cross multiply
    210,400.44x = 315,698.24 × 92,056.20
  4. Step 4: Simplify right side
    210,400.44x = 29,061,980,321.09
  5. Step 5: Solve for x
    x = 29,061,980,321.09/210,400.44
  6. Step 6: Final answer
    x = 138,126.99

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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.