Home / 189,176.50-261,065.37-104,296.60

Finding the Fourth Proportional to 189,176.50, 261,065.37 and 104,296.60

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Solution

The fourth proportional to 189,176.50, 261,065.37 and 104,296.60 is: 143,930.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,176.50 : 261,065.37 = 104,296.60 : x
  2. Step 2: Convert to fraction form
    189,176.50/261,065.37 = 104,296.60/x
  3. Step 3: Cross multiply
    189,176.50x = 261,065.37 × 104,296.60
  4. Step 4: Simplify right side
    189,176.50x = 27,228,230,468.74
  5. Step 5: Solve for x
    x = 27,228,230,468.74/189,176.50
  6. Step 6: Final answer
    x = 143,930.30

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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.