Home / 190,022.20-284,966.10-65,334.20

Finding the Fourth Proportional to 190,022.20, 284,966.10 and 65,334.20

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Solution

The fourth proportional to 190,022.20, 284,966.10 and 65,334.20 is: 97,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,022.20 : 284,966.10 = 65,334.20 : x
  2. Step 2: Convert to fraction form
    190,022.20/284,966.10 = 65,334.20/x
  3. Step 3: Cross multiply
    190,022.20x = 284,966.10 × 65,334.20
  4. Step 4: Simplify right side
    190,022.20x = 18,618,032,170.62
  5. Step 5: Solve for x
    x = 18,618,032,170.62/190,022.20
  6. Step 6: Final answer
    x = 97,978.20

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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.