Home / 190,118.26-262,258.10-122,145.36

Finding the Fourth Proportional to 190,118.26, 262,258.10 and 122,145.36

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Solution

The fourth proportional to 190,118.26, 262,258.10 and 122,145.36 is: 168,493.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,118.26 : 262,258.10 = 122,145.36 : x
  2. Step 2: Convert to fraction form
    190,118.26/262,258.10 = 122,145.36/x
  3. Step 3: Cross multiply
    190,118.26x = 262,258.10 × 122,145.36
  4. Step 4: Simplify right side
    190,118.26x = 32,033,610,037.42
  5. Step 5: Solve for x
    x = 32,033,610,037.42/190,118.26
  6. Step 6: Final answer
    x = 168,493.07

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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.