Home / 513,078.71-769,731.66-176,111.82

Finding the Fourth Proportional to 513,078.71, 769,731.66 and 176,111.82

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Solution

The fourth proportional to 513,078.71, 769,731.66 and 176,111.82 is: 264,206.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,078.71 : 769,731.66 = 176,111.82 : x
  2. Step 2: Convert to fraction form
    513,078.71/769,731.66 = 176,111.82/x
  3. Step 3: Cross multiply
    513,078.71x = 769,731.66 × 176,111.82
  4. Step 4: Simplify right side
    513,078.71x = 135,558,843,554.22
  5. Step 5: Solve for x
    x = 135,558,843,554.22/513,078.71
  6. Step 6: Final answer
    x = 264,206.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.