Home / 189,932.77-262,089.62-105,048.01

Finding the Fourth Proportional to 189,932.77, 262,089.62 and 105,048.01

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Solution

The fourth proportional to 189,932.77, 262,089.62 and 105,048.01 is: 144,956.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,932.77 : 262,089.62 = 105,048.01 : x
  2. Step 2: Convert to fraction form
    189,932.77/262,089.62 = 105,048.01/x
  3. Step 3: Cross multiply
    189,932.77x = 262,089.62 × 105,048.01
  4. Step 4: Simplify right side
    189,932.77x = 27,531,991,712.21
  5. Step 5: Solve for x
    x = 27,531,991,712.21/189,932.77
  6. Step 6: Final answer
    x = 144,956.52

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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.