Home / 100,993.02-151,533.29-54,191.22

Finding the Fourth Proportional to 100,993.02, 151,533.29 and 54,191.22

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Solution

The fourth proportional to 100,993.02, 151,533.29 and 54,191.22 is: 81,310.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,993.02 : 151,533.29 = 54,191.22 : x
  2. Step 2: Convert to fraction form
    100,993.02/151,533.29 = 54,191.22/x
  3. Step 3: Cross multiply
    100,993.02x = 151,533.29 × 54,191.22
  4. Step 4: Simplify right side
    100,993.02x = 8,211,773,855.71
  5. Step 5: Solve for x
    x = 8,211,773,855.71/100,993.02
  6. Step 6: Final answer
    x = 81,310.31

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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.