Home / 189,268.48-261,186.56-104,393.28

Finding the Fourth Proportional to 189,268.48, 261,186.56 and 104,393.28

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Solution

The fourth proportional to 189,268.48, 261,186.56 and 104,393.28 is: 144,060.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,268.48 : 261,186.56 = 104,393.28 : x
  2. Step 2: Convert to fraction form
    189,268.48/261,186.56 = 104,393.28/x
  3. Step 3: Cross multiply
    189,268.48x = 261,186.56 × 104,393.28
  4. Step 4: Simplify right side
    189,268.48x = 27,266,121,690.32
  5. Step 5: Solve for x
    x = 27,266,121,690.32/189,268.48
  6. Step 6: Final answer
    x = 144,060.55

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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.