Home / 189,845.55-261,977.22-104,946.21

Finding the Fourth Proportional to 189,845.55, 261,977.22 and 104,946.21

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Solution

The fourth proportional to 189,845.55, 261,977.22 and 104,946.21 is: 144,820.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,845.55 : 261,977.22 = 104,946.21 : x
  2. Step 2: Convert to fraction form
    189,845.55/261,977.22 = 104,946.21/x
  3. Step 3: Cross multiply
    189,845.55x = 261,977.22 × 104,946.21
  4. Step 4: Simplify right side
    189,845.55x = 27,493,516,345.34
  5. Step 5: Solve for x
    x = 27,493,516,345.34/189,845.55
  6. Step 6: Final answer
    x = 144,820.44

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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.