Home / 190,694.05-263,206.16-130,289.11

Finding the Fourth Proportional to 190,694.05, 263,206.16 and 130,289.11

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Solution

The fourth proportional to 190,694.05, 263,206.16 and 130,289.11 is: 179,832.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,694.05 : 263,206.16 = 130,289.11 : x
  2. Step 2: Convert to fraction form
    190,694.05/263,206.16 = 130,289.11/x
  3. Step 3: Cross multiply
    190,694.05x = 263,206.16 × 130,289.11
  4. Step 4: Simplify right side
    190,694.05x = 34,292,895,512.04
  5. Step 5: Solve for x
    x = 34,292,895,512.04/190,694.05
  6. Step 6: Final answer
    x = 179,832.02

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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.