Home / 355,035.41-489,946.27-193,890.41

Finding the Fourth Proportional to 355,035.41, 489,946.27 and 193,890.41

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Solution

The fourth proportional to 355,035.41, 489,946.27 and 193,890.41 is: 267,567.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,035.41 : 489,946.27 = 193,890.41 : x
  2. Step 2: Convert to fraction form
    355,035.41/489,946.27 = 193,890.41/x
  3. Step 3: Cross multiply
    355,035.41x = 489,946.27 × 193,890.41
  4. Step 4: Simplify right side
    355,035.41x = 94,995,879,749.09
  5. Step 5: Solve for x
    x = 94,995,879,749.09/355,035.41
  6. Step 6: Final answer
    x = 267,567.34

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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.