Home / 104,865.08-157,166.34-82,590.50

Finding the Fourth Proportional to 104,865.08, 157,166.34 and 82,590.50

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Solution

The fourth proportional to 104,865.08, 157,166.34 and 82,590.50 is: 123,782.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,865.08 : 157,166.34 = 82,590.50 : x
  2. Step 2: Convert to fraction form
    104,865.08/157,166.34 = 82,590.50/x
  3. Step 3: Cross multiply
    104,865.08x = 157,166.34 × 82,590.50
  4. Step 4: Simplify right side
    104,865.08x = 12,980,446,603.77
  5. Step 5: Solve for x
    x = 12,980,446,603.77/104,865.08
  6. Step 6: Final answer
    x = 123,782.36

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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.