Home / 190,165.80-262,427.85-104,123.22

Finding the Fourth Proportional to 190,165.80, 262,427.85 and 104,123.22

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Solution

The fourth proportional to 190,165.80, 262,427.85 and 104,123.22 is: 143,689.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,165.80 : 262,427.85 = 104,123.22 : x
  2. Step 2: Convert to fraction form
    190,165.80/262,427.85 = 104,123.22/x
  3. Step 3: Cross multiply
    190,165.80x = 262,427.85 × 104,123.22
  4. Step 4: Simplify right side
    190,165.80x = 27,324,832,759.68
  5. Step 5: Solve for x
    x = 27,324,832,759.68/190,165.80
  6. Step 6: Final answer
    x = 143,689.52

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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.