Home / 199,143.20-274,804.80-118,576.64

Finding the Fourth Proportional to 199,143.20, 274,804.80 and 118,576.64

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Solution

The fourth proportional to 199,143.20, 274,804.80 and 118,576.64 is: 163,628.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,143.20 : 274,804.80 = 118,576.64 : x
  2. Step 2: Convert to fraction form
    199,143.20/274,804.80 = 118,576.64/x
  3. Step 3: Cross multiply
    199,143.20x = 274,804.80 × 118,576.64
  4. Step 4: Simplify right side
    199,143.20x = 32,585,429,839.87
  5. Step 5: Solve for x
    x = 32,585,429,839.87/199,143.20
  6. Step 6: Final answer
    x = 163,628.13

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1.5x scale

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.