Home / 190,176.75-262,447.92-104,139.36

Finding the Fourth Proportional to 190,176.75, 262,447.92 and 104,139.36

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Solution

The fourth proportional to 190,176.75, 262,447.92 and 104,139.36 is: 143,714.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,176.75 : 262,447.92 = 104,139.36 : x
  2. Step 2: Convert to fraction form
    190,176.75/262,447.92 = 104,139.36/x
  3. Step 3: Cross multiply
    190,176.75x = 262,447.92 × 104,139.36
  4. Step 4: Simplify right side
    190,176.75x = 27,331,158,422.13
  5. Step 5: Solve for x
    x = 27,331,158,422.13/190,176.75
  6. Step 6: Final answer
    x = 143,714.51

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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.