Home / 131,211.64-196,820.48-46,977.58

Finding the Fourth Proportional to 131,211.64, 196,820.48 and 46,977.58

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Solution

The fourth proportional to 131,211.64, 196,820.48 and 46,977.58 is: 70,467.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,211.64 : 196,820.48 = 46,977.58 : x
  2. Step 2: Convert to fraction form
    131,211.64/196,820.48 = 46,977.58/x
  3. Step 3: Cross multiply
    131,211.64x = 196,820.48 × 46,977.58
  4. Step 4: Simplify right side
    131,211.64x = 9,246,149,844.84
  5. Step 5: Solve for x
    x = 9,246,149,844.84/131,211.64
  6. Step 6: Final answer
    x = 70,467.45

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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.