Home / 188,883.45-260,658.69-104,000.52

Finding the Fourth Proportional to 188,883.45, 260,658.69 and 104,000.52

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Solution

The fourth proportional to 188,883.45, 260,658.69 and 104,000.52 is: 143,520.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,883.45 : 260,658.69 = 104,000.52 : x
  2. Step 2: Convert to fraction form
    188,883.45/260,658.69 = 104,000.52/x
  3. Step 3: Cross multiply
    188,883.45x = 260,658.69 × 104,000.52
  4. Step 4: Simplify right side
    188,883.45x = 27,108,639,302.52
  5. Step 5: Solve for x
    x = 27,108,639,302.52/188,883.45
  6. Step 6: Final answer
    x = 143,520.46

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1.5x scale

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.