Home / 189,451.26-261,441.07-104,566.50

Finding the Fourth Proportional to 189,451.26, 261,441.07 and 104,566.50

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Solution

The fourth proportional to 189,451.26, 261,441.07 and 104,566.50 is: 144,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,451.26 : 261,441.07 = 104,566.50 : x
  2. Step 2: Convert to fraction form
    189,451.26/261,441.07 = 104,566.50/x
  3. Step 3: Cross multiply
    189,451.26x = 261,441.07 × 104,566.50
  4. Step 4: Simplify right side
    189,451.26x = 27,337,977,384.74
  5. Step 5: Solve for x
    x = 27,337,977,384.74/189,451.26
  6. Step 6: Final answer
    x = 144,300.85

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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.