Home / 276,731.40-415,097.10-191,110.35

Finding the Fourth Proportional to 276,731.40, 415,097.10 and 191,110.35

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Solution

The fourth proportional to 276,731.40, 415,097.10 and 191,110.35 is: 286,665.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,731.40 : 415,097.10 = 191,110.35 : x
  2. Step 2: Convert to fraction form
    276,731.40/415,097.10 = 191,110.35/x
  3. Step 3: Cross multiply
    276,731.40x = 415,097.10 × 191,110.35
  4. Step 4: Simplify right side
    276,731.40x = 79,329,352,064.99
  5. Step 5: Solve for x
    x = 79,329,352,064.99/276,731.40
  6. Step 6: Final answer
    x = 286,665.53

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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.