Home / 191,636.41-264,174.69-122,718.58

Finding the Fourth Proportional to 191,636.41, 264,174.69 and 122,718.58

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Solution

The fourth proportional to 191,636.41, 264,174.69 and 122,718.58 is: 169,170.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,636.41 : 264,174.69 = 122,718.58 : x
  2. Step 2: Convert to fraction form
    191,636.41/264,174.69 = 122,718.58/x
  3. Step 3: Cross multiply
    191,636.41x = 264,174.69 × 122,718.58
  4. Step 4: Simplify right side
    191,636.41x = 32,419,142,828.74
  5. Step 5: Solve for x
    x = 32,419,142,828.74/191,636.41
  6. Step 6: Final answer
    x = 169,170.06

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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.