Home / 291,076.02-401,514.66-189,169.35

Finding the Fourth Proportional to 291,076.02, 401,514.66 and 189,169.35

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Solution

The fourth proportional to 291,076.02, 401,514.66 and 189,169.35 is: 260,943.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,076.02 : 401,514.66 = 189,169.35 : x
  2. Step 2: Convert to fraction form
    291,076.02/401,514.66 = 189,169.35/x
  3. Step 3: Cross multiply
    291,076.02x = 401,514.66 × 189,169.35
  4. Step 4: Simplify right side
    291,076.02x = 75,954,267,247.67
  5. Step 5: Solve for x
    x = 75,954,267,247.67/291,076.02
  6. Step 6: Final answer
    x = 260,943.06

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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.