Home / 276,732.40-415,098.60-191,111.35

Finding the Fourth Proportional to 276,732.40, 415,098.60 and 191,111.35

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Solution

The fourth proportional to 276,732.40, 415,098.60 and 191,111.35 is: 286,667.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,732.40 : 415,098.60 = 191,111.35 : x
  2. Step 2: Convert to fraction form
    276,732.40/415,098.60 = 191,111.35/x
  3. Step 3: Cross multiply
    276,732.40x = 415,098.60 × 191,111.35
  4. Step 4: Simplify right side
    276,732.40x = 79,330,053,829.11
  5. Step 5: Solve for x
    x = 79,330,053,829.11/276,732.40
  6. Step 6: Final answer
    x = 286,667.03

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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.