Home / 165,456.05-248,225.45-47,127.38

Finding the Fourth Proportional to 165,456.05, 248,225.45 and 47,127.38

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Solution

The fourth proportional to 165,456.05, 248,225.45 and 47,127.38 is: 70,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,456.05 : 248,225.45 = 47,127.38 : x
  2. Step 2: Convert to fraction form
    165,456.05/248,225.45 = 47,127.38/x
  3. Step 3: Cross multiply
    165,456.05x = 248,225.45 × 47,127.38
  4. Step 4: Simplify right side
    165,456.05x = 11,698,213,631.06
  5. Step 5: Solve for x
    x = 11,698,213,631.06/165,456.05
  6. Step 6: Final answer
    x = 70,702.85

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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.