Home / 190,313.33-262,572.71-109,729.94

Finding the Fourth Proportional to 190,313.33, 262,572.71 and 109,729.94

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Solution

The fourth proportional to 190,313.33, 262,572.71 and 109,729.94 is: 151,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,313.33 : 262,572.71 = 109,729.94 : x
  2. Step 2: Convert to fraction form
    190,313.33/262,572.71 = 109,729.94/x
  3. Step 3: Cross multiply
    190,313.33x = 262,572.71 × 109,729.94
  4. Step 4: Simplify right side
    190,313.33x = 28,812,085,852.42
  5. Step 5: Solve for x
    x = 28,812,085,852.42/190,313.33
  6. Step 6: Final answer
    x = 151,392.90

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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.