Home / 257,300.48-355,074.83-141,013.44

Finding the Fourth Proportional to 257,300.48, 355,074.83 and 141,013.44

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Solution

The fourth proportional to 257,300.48, 355,074.83 and 141,013.44 is: 194,598.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,300.48 : 355,074.83 = 141,013.44 : x
  2. Step 2: Convert to fraction form
    257,300.48/355,074.83 = 141,013.44/x
  3. Step 3: Cross multiply
    257,300.48x = 355,074.83 × 141,013.44
  4. Step 4: Simplify right side
    257,300.48x = 50,070,322,530.65
  5. Step 5: Solve for x
    x = 50,070,322,530.65/257,300.48
  6. Step 6: Final answer
    x = 194,598.64

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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.