Home / 190,219.68-262,776.48-151,928.96

Finding the Fourth Proportional to 190,219.68, 262,776.48 and 151,928.96

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Solution

The fourth proportional to 190,219.68, 262,776.48 and 151,928.96 is: 209,880.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,219.68 : 262,776.48 = 151,928.96 : x
  2. Step 2: Convert to fraction form
    190,219.68/262,776.48 = 151,928.96/x
  3. Step 3: Cross multiply
    190,219.68x = 262,776.48 × 151,928.96
  4. Step 4: Simplify right side
    190,219.68x = 39,923,357,318.86
  5. Step 5: Solve for x
    x = 39,923,357,318.86/190,219.68
  6. Step 6: Final answer
    x = 209,880.27

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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.