Home / 189,054.72-282,537.54-178,129.44

Finding the Fourth Proportional to 189,054.72, 282,537.54 and 178,129.44

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Solution

The fourth proportional to 189,054.72, 282,537.54 and 178,129.44 is: 266,209.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,054.72 : 282,537.54 = 178,129.44 : x
  2. Step 2: Convert to fraction form
    189,054.72/282,537.54 = 178,129.44/x
  3. Step 3: Cross multiply
    189,054.72x = 282,537.54 × 178,129.44
  4. Step 4: Simplify right side
    189,054.72x = 50,328,253,779.18
  5. Step 5: Solve for x
    x = 50,328,253,779.18/189,054.72
  6. Step 6: Final answer
    x = 266,209.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.