Home / 196,347.60-270,955.80-115,778.52

Finding the Fourth Proportional to 196,347.60, 270,955.80 and 115,778.52

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Solution

The fourth proportional to 196,347.60, 270,955.80 and 115,778.52 is: 159,772.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,347.60 : 270,955.80 = 115,778.52 : x
  2. Step 2: Convert to fraction form
    196,347.60/270,955.80 = 115,778.52/x
  3. Step 3: Cross multiply
    196,347.60x = 270,955.80 × 115,778.52
  4. Step 4: Simplify right side
    196,347.60x = 31,370,861,509.42
  5. Step 5: Solve for x
    x = 31,370,861,509.42/196,347.60
  6. Step 6: Final answer
    x = 159,772.06

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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.