Home / 191,823.54-264,620.16-135,267.72

Finding the Fourth Proportional to 191,823.54, 264,620.16 and 135,267.72

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Solution

The fourth proportional to 191,823.54, 264,620.16 and 135,267.72 is: 186,601.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,823.54 : 264,620.16 = 135,267.72 : x
  2. Step 2: Convert to fraction form
    191,823.54/264,620.16 = 135,267.72/x
  3. Step 3: Cross multiply
    191,823.54x = 264,620.16 × 135,267.72
  4. Step 4: Simplify right side
    191,823.54x = 35,794,565,709.24
  5. Step 5: Solve for x
    x = 35,794,565,709.24/191,823.54
  6. Step 6: Final answer
    x = 186,601.53

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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.