Home / 189,467.42-261,465-104,584.46

Finding the Fourth Proportional to 189,467.42, 261,465 and 104,584.46

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Solution

The fourth proportional to 189,467.42, 261,465 and 104,584.46 is: 144,326.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,467.42 : 261,465 = 104,584.46 : x
  2. Step 2: Convert to fraction form
    189,467.42/261,465 = 104,584.46/x
  3. Step 3: Cross multiply
    189,467.42x = 261,465 × 104,584.46
  4. Step 4: Simplify right side
    189,467.42x = 27,345,175,833.90
  5. Step 5: Solve for x
    x = 27,345,175,833.90/189,467.42
  6. Step 6: Final answer
    x = 144,326.53

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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.