Home / 165,929.80-248,894.70-47,590.60

Finding the Fourth Proportional to 165,929.80, 248,894.70 and 47,590.60

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Solution

The fourth proportional to 165,929.80, 248,894.70 and 47,590.60 is: 71,385.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,929.80 : 248,894.70 = 47,590.60 : x
  2. Step 2: Convert to fraction form
    165,929.80/248,894.70 = 47,590.60/x
  3. Step 3: Cross multiply
    165,929.80x = 248,894.70 × 47,590.60
  4. Step 4: Simplify right side
    165,929.80x = 11,845,048,109.82
  5. Step 5: Solve for x
    x = 11,845,048,109.82/165,929.80
  6. Step 6: Final answer
    x = 71,385.90

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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.