Home / 189,333.74-261,280.54-104,450.80

Finding the Fourth Proportional to 189,333.74, 261,280.54 and 104,450.80

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Solution

The fourth proportional to 189,333.74, 261,280.54 and 104,450.80 is: 144,142.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,333.74 : 261,280.54 = 104,450.80 : x
  2. Step 2: Convert to fraction form
    189,333.74/261,280.54 = 104,450.80/x
  3. Step 3: Cross multiply
    189,333.74x = 261,280.54 × 104,450.80
  4. Step 4: Simplify right side
    189,333.74x = 27,290,961,427.43
  5. Step 5: Solve for x
    x = 27,290,961,427.43/189,333.74
  6. Step 6: Final answer
    x = 144,142.09

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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.