Home / 176,040-242,930.91-100,583.64

Finding the Fourth Proportional to 176,040, 242,930.91 and 100,583.64

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Solution

The fourth proportional to 176,040, 242,930.91 and 100,583.64 is: 138,802.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,040 : 242,930.91 = 100,583.64 : x
  2. Step 2: Convert to fraction form
    176,040/242,930.91 = 100,583.64/x
  3. Step 3: Cross multiply
    176,040x = 242,930.91 × 100,583.64
  4. Step 4: Simplify right side
    176,040x = 24,434,875,196.31
  5. Step 5: Solve for x
    x = 24,434,875,196.31/176,040
  6. Step 6: Final answer
    x = 138,802.97

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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.