Home / 189,573.35-261,611.01-104,690.21

Finding the Fourth Proportional to 189,573.35, 261,611.01 and 104,690.21

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Solution

The fourth proportional to 189,573.35, 261,611.01 and 104,690.21 is: 144,472.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,573.35 : 261,611.01 = 104,690.21 : x
  2. Step 2: Convert to fraction form
    189,573.35/261,611.01 = 104,690.21/x
  3. Step 3: Cross multiply
    189,573.35x = 261,611.01 × 104,690.21
  4. Step 4: Simplify right side
    189,573.35x = 27,388,110,267.16
  5. Step 5: Solve for x
    x = 27,388,110,267.16/189,573.35
  6. Step 6: Final answer
    x = 144,472.37

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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.