Home / 189,932.27-262,088.93-105,047.51

Finding the Fourth Proportional to 189,932.27, 262,088.93 and 105,047.51

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Solution

The fourth proportional to 189,932.27, 262,088.93 and 105,047.51 is: 144,955.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,932.27 : 262,088.93 = 105,047.51 : x
  2. Step 2: Convert to fraction form
    189,932.27/262,088.93 = 105,047.51/x
  3. Step 3: Cross multiply
    189,932.27x = 262,088.93 × 105,047.51
  4. Step 4: Simplify right side
    189,932.27x = 27,531,788,447.24
  5. Step 5: Solve for x
    x = 27,531,788,447.24/189,932.27
  6. Step 6: Final answer
    x = 144,955.83

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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.