Home / 257,696.37-355,620.65-144,518.13

Finding the Fourth Proportional to 257,696.37, 355,620.65 and 144,518.13

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Solution

The fourth proportional to 257,696.37, 355,620.65 and 144,518.13 is: 199,434.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,696.37 : 355,620.65 = 144,518.13 : x
  2. Step 2: Convert to fraction form
    257,696.37/355,620.65 = 144,518.13/x
  3. Step 3: Cross multiply
    257,696.37x = 355,620.65 × 144,518.13
  4. Step 4: Simplify right side
    257,696.37x = 51,393,630,604.79
  5. Step 5: Solve for x
    x = 51,393,630,604.79/257,696.37
  6. Step 6: Final answer
    x = 199,434.83

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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.