Home / 189,684.98-261,775.77-104,800.22

Finding the Fourth Proportional to 189,684.98, 261,775.77 and 104,800.22

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Solution

The fourth proportional to 189,684.98, 261,775.77 and 104,800.22 is: 144,630.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,684.98 : 261,775.77 = 104,800.22 : x
  2. Step 2: Convert to fraction form
    189,684.98/261,775.77 = 104,800.22/x
  3. Step 3: Cross multiply
    189,684.98x = 261,775.77 × 104,800.22
  4. Step 4: Simplify right side
    189,684.98x = 27,434,158,286.67
  5. Step 5: Solve for x
    x = 27,434,158,286.67/189,684.98
  6. Step 6: Final answer
    x = 144,630.10

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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.