Home / 189,722.77-261,817.51-104,839.83

Finding the Fourth Proportional to 189,722.77, 261,817.51 and 104,839.83

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Solution

The fourth proportional to 189,722.77, 261,817.51 and 104,839.83 is: 144,679.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,722.77 : 261,817.51 = 104,839.83 : x
  2. Step 2: Convert to fraction form
    189,722.77/261,817.51 = 104,839.83/x
  3. Step 3: Cross multiply
    189,722.77x = 261,817.51 × 104,839.83
  4. Step 4: Simplify right side
    189,722.77x = 27,448,903,239.42
  5. Step 5: Solve for x
    x = 27,448,903,239.42/189,722.77
  6. Step 6: Final answer
    x = 144,679.02

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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.