Home / 190,040.20-284,993.10-65,352.20

Finding the Fourth Proportional to 190,040.20, 284,993.10 and 65,352.20

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Solution

The fourth proportional to 190,040.20, 284,993.10 and 65,352.20 is: 98,005.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,040.20 : 284,993.10 = 65,352.20 : x
  2. Step 2: Convert to fraction form
    190,040.20/284,993.10 = 65,352.20/x
  3. Step 3: Cross multiply
    190,040.20x = 284,993.10 × 65,352.20
  4. Step 4: Simplify right side
    190,040.20x = 18,624,926,069.82
  5. Step 5: Solve for x
    x = 18,624,926,069.82/190,040.20
  6. Step 6: Final answer
    x = 98,005.19

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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.