Home / 189,543.27-261,562.86-104,658.51

Finding the Fourth Proportional to 189,543.27, 261,562.86 and 104,658.51

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Solution

The fourth proportional to 189,543.27, 261,562.86 and 104,658.51 is: 144,424.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,543.27 : 261,562.86 = 104,658.51 : x
  2. Step 2: Convert to fraction form
    189,543.27/261,562.86 = 104,658.51/x
  3. Step 3: Cross multiply
    189,543.27x = 261,562.86 × 104,658.51
  4. Step 4: Simplify right side
    189,543.27x = 27,374,779,198.94
  5. Step 5: Solve for x
    x = 27,374,779,198.94/189,543.27
  6. Step 6: Final answer
    x = 144,424.96

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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.