Home / 130,910.34-196,361.58-36,146.32

Finding the Fourth Proportional to 130,910.34, 196,361.58 and 36,146.32

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Solution

The fourth proportional to 130,910.34, 196,361.58 and 36,146.32 is: 54,218.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,910.34 : 196,361.58 = 36,146.32 : x
  2. Step 2: Convert to fraction form
    130,910.34/196,361.58 = 36,146.32/x
  3. Step 3: Cross multiply
    130,910.34x = 196,361.58 × 36,146.32
  4. Step 4: Simplify right side
    130,910.34x = 7,097,748,506.39
  5. Step 5: Solve for x
    x = 7,097,748,506.39/130,910.34
  6. Step 6: Final answer
    x = 54,218.39

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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.