Home / 190,213.25-262,493.87-109,640.22

Finding the Fourth Proportional to 190,213.25, 262,493.87 and 109,640.22

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Solution

The fourth proportional to 190,213.25, 262,493.87 and 109,640.22 is: 151,303.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,213.25 : 262,493.87 = 109,640.22 : x
  2. Step 2: Convert to fraction form
    190,213.25/262,493.87 = 109,640.22/x
  3. Step 3: Cross multiply
    190,213.25x = 262,493.87 × 109,640.22
  4. Step 4: Simplify right side
    190,213.25x = 28,779,884,122.90
  5. Step 5: Solve for x
    x = 28,779,884,122.90/190,213.25
  6. Step 6: Final answer
    x = 151,303.26

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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.