Home / 189,857.49-262,008.63-104,977.59

Finding the Fourth Proportional to 189,857.49, 262,008.63 and 104,977.59

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Solution

The fourth proportional to 189,857.49, 262,008.63 and 104,977.59 is: 144,872.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,857.49 : 262,008.63 = 104,977.59 : x
  2. Step 2: Convert to fraction form
    189,857.49/262,008.63 = 104,977.59/x
  3. Step 3: Cross multiply
    189,857.49x = 262,008.63 × 104,977.59
  4. Step 4: Simplify right side
    189,857.49x = 27,505,034,536.60
  5. Step 5: Solve for x
    x = 27,505,034,536.60/189,857.49
  6. Step 6: Final answer
    x = 144,872.00

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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.