Home / 126,494.10-189,741.15-47,626.02

Finding the Fourth Proportional to 126,494.10, 189,741.15 and 47,626.02

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Solution

The fourth proportional to 126,494.10, 189,741.15 and 47,626.02 is: 71,439.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,494.10 : 189,741.15 = 47,626.02 : x
  2. Step 2: Convert to fraction form
    126,494.10/189,741.15 = 47,626.02/x
  3. Step 3: Cross multiply
    126,494.10x = 189,741.15 × 47,626.02
  4. Step 4: Simplify right side
    126,494.10x = 9,036,615,804.72
  5. Step 5: Solve for x
    x = 9,036,615,804.72/126,494.10
  6. Step 6: Final answer
    x = 71,439.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.