Home / 130,757.08-196,181.70-47,659.48

Finding the Fourth Proportional to 130,757.08, 196,181.70 and 47,659.48

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Solution

The fourth proportional to 130,757.08, 196,181.70 and 47,659.48 is: 71,506.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,757.08 : 196,181.70 = 47,659.48 : x
  2. Step 2: Convert to fraction form
    130,757.08/196,181.70 = 47,659.48/x
  3. Step 3: Cross multiply
    130,757.08x = 196,181.70 × 47,659.48
  4. Step 4: Simplify right side
    130,757.08x = 9,349,917,807.52
  5. Step 5: Solve for x
    x = 9,349,917,807.52/130,757.08
  6. Step 6: Final answer
    x = 71,506.02

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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.