Home / 276,733.40-415,100.10-191,112.35

Finding the Fourth Proportional to 276,733.40, 415,100.10 and 191,112.35

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Solution

The fourth proportional to 276,733.40, 415,100.10 and 191,112.35 is: 286,668.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,733.40 : 415,100.10 = 191,112.35 : x
  2. Step 2: Convert to fraction form
    276,733.40/415,100.10 = 191,112.35/x
  3. Step 3: Cross multiply
    276,733.40x = 415,100.10 × 191,112.35
  4. Step 4: Simplify right side
    276,733.40x = 79,330,755,596.24
  5. Step 5: Solve for x
    x = 79,330,755,596.24/276,733.40
  6. Step 6: Final answer
    x = 286,668.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.