Home / 189,716.82-261,805.59-104,832.06

Finding the Fourth Proportional to 189,716.82, 261,805.59 and 104,832.06

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Solution

The fourth proportional to 189,716.82, 261,805.59 and 104,832.06 is: 144,666.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,716.82 : 261,805.59 = 104,832.06 : x
  2. Step 2: Convert to fraction form
    189,716.82/261,805.59 = 104,832.06/x
  3. Step 3: Cross multiply
    189,716.82x = 261,805.59 × 104,832.06
  4. Step 4: Simplify right side
    189,716.82x = 27,445,619,319.22
  5. Step 5: Solve for x
    x = 27,445,619,319.22/189,716.82
  6. Step 6: Final answer
    x = 144,666.24

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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.