Home / 130,656.32-196,098.24-74,608.64

Finding the Fourth Proportional to 130,656.32, 196,098.24 and 74,608.64

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Solution

The fourth proportional to 130,656.32, 196,098.24 and 74,608.64 is: 111,977.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,656.32 : 196,098.24 = 74,608.64 : x
  2. Step 2: Convert to fraction form
    130,656.32/196,098.24 = 74,608.64/x
  3. Step 3: Cross multiply
    130,656.32x = 196,098.24 × 74,608.64
  4. Step 4: Simplify right side
    130,656.32x = 14,630,622,992.79
  5. Step 5: Solve for x
    x = 14,630,622,992.79/130,656.32
  6. Step 6: Final answer
    x = 111,977.92

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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.