Home / 189,618.62-261,651.39-104,730.62

Finding the Fourth Proportional to 189,618.62, 261,651.39 and 104,730.62

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Solution

The fourth proportional to 189,618.62, 261,651.39 and 104,730.62 is: 144,515.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,618.62 : 261,651.39 = 104,730.62 : x
  2. Step 2: Convert to fraction form
    189,618.62/261,651.39 = 104,730.62/x
  3. Step 3: Cross multiply
    189,618.62x = 261,651.39 × 104,730.62
  4. Step 4: Simplify right side
    189,618.62x = 27,402,910,990.30
  5. Step 5: Solve for x
    x = 27,402,910,990.30/189,618.62
  6. Step 6: Final answer
    x = 144,515.93

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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.