Home / 190,127.05-262,441.38-117,585.46

Finding the Fourth Proportional to 190,127.05, 262,441.38 and 117,585.46

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Solution

The fourth proportional to 190,127.05, 262,441.38 and 117,585.46 is: 162,308.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,127.05 : 262,441.38 = 117,585.46 : x
  2. Step 2: Convert to fraction form
    190,127.05/262,441.38 = 117,585.46/x
  3. Step 3: Cross multiply
    190,127.05x = 262,441.38 × 117,585.46
  4. Step 4: Simplify right side
    190,127.05x = 30,859,290,390.33
  5. Step 5: Solve for x
    x = 30,859,290,390.33/190,127.05
  6. Step 6: Final answer
    x = 162,308.78

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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.