Home / 189,466.55-261,463.79-104,583.59

Finding the Fourth Proportional to 189,466.55, 261,463.79 and 104,583.59

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Solution

The fourth proportional to 189,466.55, 261,463.79 and 104,583.59 is: 144,325.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,466.55 : 261,463.79 = 104,583.59 : x
  2. Step 2: Convert to fraction form
    189,466.55/261,463.79 = 104,583.59/x
  3. Step 3: Cross multiply
    189,466.55x = 261,463.79 × 104,583.59
  4. Step 4: Simplify right side
    189,466.55x = 27,344,819,982.97
  5. Step 5: Solve for x
    x = 27,344,819,982.97/189,466.55
  6. Step 6: Final answer
    x = 144,325.32

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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.