Home / 190,018.78-284,460.26-114,911.73

Finding the Fourth Proportional to 190,018.78, 284,460.26 and 114,911.73

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Solution

The fourth proportional to 190,018.78, 284,460.26 and 114,911.73 is: 172,024.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,018.78 : 284,460.26 = 114,911.73 : x
  2. Step 2: Convert to fraction form
    190,018.78/284,460.26 = 114,911.73/x
  3. Step 3: Cross multiply
    190,018.78x = 284,460.26 × 114,911.73
  4. Step 4: Simplify right side
    190,018.78x = 32,687,820,018.29
  5. Step 5: Solve for x
    x = 32,687,820,018.29/190,018.78
  6. Step 6: Final answer
    x = 172,024.16

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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.