Home / 328,626.02-492,939.12-92,003.56

Finding the Fourth Proportional to 328,626.02, 492,939.12 and 92,003.56

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Solution

The fourth proportional to 328,626.02, 492,939.12 and 92,003.56 is: 138,005.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,626.02 : 492,939.12 = 92,003.56 : x
  2. Step 2: Convert to fraction form
    328,626.02/492,939.12 = 92,003.56/x
  3. Step 3: Cross multiply
    328,626.02x = 492,939.12 × 92,003.56
  4. Step 4: Simplify right side
    328,626.02x = 45,352,153,903.27
  5. Step 5: Solve for x
    x = 45,352,153,903.27/328,626.02
  6. Step 6: Final answer
    x = 138,005.37

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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.