Home / 190,240.07-262,530.77-109,667.13

Finding the Fourth Proportional to 190,240.07, 262,530.77 and 109,667.13

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Solution

The fourth proportional to 190,240.07, 262,530.77 and 109,667.13 is: 151,340.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,240.07 : 262,530.77 = 109,667.13 : x
  2. Step 2: Convert to fraction form
    190,240.07/262,530.77 = 109,667.13/x
  3. Step 3: Cross multiply
    190,240.07x = 262,530.77 × 109,667.13
  4. Step 4: Simplify right side
    190,240.07x = 28,790,995,534.25
  5. Step 5: Solve for x
    x = 28,790,995,534.25/190,240.07
  6. Step 6: Final answer
    x = 151,340.34

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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.