Home / 190,439.26-262,808.82-104,406.32

Finding the Fourth Proportional to 190,439.26, 262,808.82 and 104,406.32

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Solution

The fourth proportional to 190,439.26, 262,808.82 and 104,406.32 is: 144,082.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,439.26 : 262,808.82 = 104,406.32 : x
  2. Step 2: Convert to fraction form
    190,439.26/262,808.82 = 104,406.32/x
  3. Step 3: Cross multiply
    190,439.26x = 262,808.82 × 104,406.32
  4. Step 4: Simplify right side
    190,439.26x = 27,438,901,759.74
  5. Step 5: Solve for x
    x = 27,438,901,759.74/190,439.26
  6. Step 6: Final answer
    x = 144,082.17

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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.