Home / 291,921.90-437,992.20-114,556.20

Finding the Fourth Proportional to 291,921.90, 437,992.20 and 114,556.20

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Solution

The fourth proportional to 291,921.90, 437,992.20 and 114,556.20 is: 171,877.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,921.90 : 437,992.20 = 114,556.20 : x
  2. Step 2: Convert to fraction form
    291,921.90/437,992.20 = 114,556.20/x
  3. Step 3: Cross multiply
    291,921.90x = 437,992.20 × 114,556.20
  4. Step 4: Simplify right side
    291,921.90x = 50,174,722,061.64
  5. Step 5: Solve for x
    x = 50,174,722,061.64/291,921.90
  6. Step 6: Final answer
    x = 171,877.21

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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.