Home / 190,005.48-262,164.36-113,512.44

Finding the Fourth Proportional to 190,005.48, 262,164.36 and 113,512.44

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Solution

The fourth proportional to 190,005.48, 262,164.36 and 113,512.44 is: 156,621.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,005.48 : 262,164.36 = 113,512.44 : x
  2. Step 2: Convert to fraction form
    190,005.48/262,164.36 = 113,512.44/x
  3. Step 3: Cross multiply
    190,005.48x = 262,164.36 × 113,512.44
  4. Step 4: Simplify right side
    190,005.48x = 29,758,916,184.64
  5. Step 5: Solve for x
    x = 29,758,916,184.64/190,005.48
  6. Step 6: Final answer
    x = 156,621.36

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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.