Home / 190,210.60-262,452.18-105,311.80

Finding the Fourth Proportional to 190,210.60, 262,452.18 and 105,311.80

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Solution

The fourth proportional to 190,210.60, 262,452.18 and 105,311.80 is: 145,309.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,210.60 : 262,452.18 = 105,311.80 : x
  2. Step 2: Convert to fraction form
    190,210.60/262,452.18 = 105,311.80/x
  3. Step 3: Cross multiply
    190,210.60x = 262,452.18 × 105,311.80
  4. Step 4: Simplify right side
    190,210.60x = 27,639,311,489.72
  5. Step 5: Solve for x
    x = 27,639,311,489.72/190,210.60
  6. Step 6: Final answer
    x = 145,309.00

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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.