Home / 132,969.07-199,270.65-56,976.64

Finding the Fourth Proportional to 132,969.07, 199,270.65 and 56,976.64

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Solution

The fourth proportional to 132,969.07, 199,270.65 and 56,976.64 is: 85,386.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,969.07 : 199,270.65 = 56,976.64 : x
  2. Step 2: Convert to fraction form
    132,969.07/199,270.65 = 56,976.64/x
  3. Step 3: Cross multiply
    132,969.07x = 199,270.65 × 56,976.64
  4. Step 4: Simplify right side
    132,969.07x = 11,353,771,696.27
  5. Step 5: Solve for x
    x = 11,353,771,696.27/132,969.07
  6. Step 6: Final answer
    x = 85,386.56

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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.