Home / 196,460.64-271,119.96-115,907.76

Finding the Fourth Proportional to 196,460.64, 271,119.96 and 115,907.76

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Solution

The fourth proportional to 196,460.64, 271,119.96 and 115,907.76 is: 159,955.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,460.64 : 271,119.96 = 115,907.76 : x
  2. Step 2: Convert to fraction form
    196,460.64/271,119.96 = 115,907.76/x
  3. Step 3: Cross multiply
    196,460.64x = 271,119.96 × 115,907.76
  4. Step 4: Simplify right side
    196,460.64x = 31,424,907,254.89
  5. Step 5: Solve for x
    x = 31,424,907,254.89/196,460.64
  6. Step 6: Final answer
    x = 159,955.23

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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.