Home / 354,085.90-488,632.21-192,942.34

Finding the Fourth Proportional to 354,085.90, 488,632.21 and 192,942.34

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Solution

The fourth proportional to 354,085.90, 488,632.21 and 192,942.34 is: 266,256.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,085.90 : 488,632.21 = 192,942.34 : x
  2. Step 2: Convert to fraction form
    354,085.90/488,632.21 = 192,942.34/x
  3. Step 3: Cross multiply
    354,085.90x = 488,632.21 × 192,942.34
  4. Step 4: Simplify right side
    354,085.90x = 94,277,841,996.77
  5. Step 5: Solve for x
    x = 94,277,841,996.77/354,085.90
  6. Step 6: Final answer
    x = 266,256.98

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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.