Home / 189,161.06-261,029.18-106,387.43

Finding the Fourth Proportional to 189,161.06, 261,029.18 and 106,387.43

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Solution

The fourth proportional to 189,161.06, 261,029.18 and 106,387.43 is: 146,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,161.06 : 261,029.18 = 106,387.43 : x
  2. Step 2: Convert to fraction form
    189,161.06/261,029.18 = 106,387.43/x
  3. Step 3: Cross multiply
    189,161.06x = 261,029.18 × 106,387.43
  4. Step 4: Simplify right side
    189,161.06x = 27,770,224,030.43
  5. Step 5: Solve for x
    x = 27,770,224,030.43/189,161.06
  6. Step 6: Final answer
    x = 146,807.30

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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.