Home / 189,004.86-260,467.83-135,196.45

Finding the Fourth Proportional to 189,004.86, 260,467.83 and 135,196.45

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Solution

The fourth proportional to 189,004.86, 260,467.83 and 135,196.45 is: 186,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,004.86 : 260,467.83 = 135,196.45 : x
  2. Step 2: Convert to fraction form
    189,004.86/260,467.83 = 135,196.45/x
  3. Step 3: Cross multiply
    189,004.86x = 260,467.83 × 135,196.45
  4. Step 4: Simplify right side
    189,004.86x = 35,214,325,955.20
  5. Step 5: Solve for x
    x = 35,214,325,955.20/189,004.86
  6. Step 6: Final answer
    x = 186,314.40

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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.