Home / 190,230.26-262,523.46-105,345.50

Finding the Fourth Proportional to 190,230.26, 262,523.46 and 105,345.50

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Solution

The fourth proportional to 190,230.26, 262,523.46 and 105,345.50 is: 145,379.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,230.26 : 262,523.46 = 105,345.50 : x
  2. Step 2: Convert to fraction form
    190,230.26/262,523.46 = 105,345.50/x
  3. Step 3: Cross multiply
    190,230.26x = 262,523.46 × 105,345.50
  4. Step 4: Simplify right side
    190,230.26x = 27,655,665,155.43
  5. Step 5: Solve for x
    x = 27,655,665,155.43/190,230.26
  6. Step 6: Final answer
    x = 145,379.95

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1.5x scale

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.