Home / 355,223.15-490,182.35-194,043.98

Finding the Fourth Proportional to 355,223.15, 490,182.35 and 194,043.98

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Solution

The fourth proportional to 355,223.15, 490,182.35 and 194,043.98 is: 267,766.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,223.15 : 490,182.35 = 194,043.98 : x
  2. Step 2: Convert to fraction form
    355,223.15/490,182.35 = 194,043.98/x
  3. Step 3: Cross multiply
    355,223.15x = 490,182.35 × 194,043.98
  4. Step 4: Simplify right side
    355,223.15x = 95,116,931,668.84
  5. Step 5: Solve for x
    x = 95,116,931,668.84/355,223.15
  6. Step 6: Final answer
    x = 267,766.71

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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.