Home / 185,739.16-256,313.01-105,150.64

Finding the Fourth Proportional to 185,739.16, 256,313.01 and 105,150.64

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Solution

The fourth proportional to 185,739.16, 256,313.01 and 105,150.64 is: 145,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,739.16 : 256,313.01 = 105,150.64 : x
  2. Step 2: Convert to fraction form
    185,739.16/256,313.01 = 105,150.64/x
  3. Step 3: Cross multiply
    185,739.16x = 256,313.01 × 105,150.64
  4. Step 4: Simplify right side
    185,739.16x = 26,951,477,041.83
  5. Step 5: Solve for x
    x = 26,951,477,041.83/185,739.16
  6. Step 6: Final answer
    x = 145,103.90

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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.