Home / 189,170.08-261,056.50-104,290.18

Finding the Fourth Proportional to 189,170.08, 261,056.50 and 104,290.18

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Solution

The fourth proportional to 189,170.08, 261,056.50 and 104,290.18 is: 143,921.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,170.08 : 261,056.50 = 104,290.18 : x
  2. Step 2: Convert to fraction form
    189,170.08/261,056.50 = 104,290.18/x
  3. Step 3: Cross multiply
    189,170.08x = 261,056.50 × 104,290.18
  4. Step 4: Simplify right side
    189,170.08x = 27,225,628,853.72
  5. Step 5: Solve for x
    x = 27,225,628,853.72/189,170.08
  6. Step 6: Final answer
    x = 143,921.43

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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.