Home / 190,974.21-286,491.03-57,822.76

Finding the Fourth Proportional to 190,974.21, 286,491.03 and 57,822.76

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Solution

The fourth proportional to 190,974.21, 286,491.03 and 57,822.76 is: 86,743.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,974.21 : 286,491.03 = 57,822.76 : x
  2. Step 2: Convert to fraction form
    190,974.21/286,491.03 = 57,822.76/x
  3. Step 3: Cross multiply
    190,974.21x = 286,491.03 × 57,822.76
  4. Step 4: Simplify right side
    190,974.21x = 16,565,702,211.12
  5. Step 5: Solve for x
    x = 16,565,702,211.12/190,974.21
  6. Step 6: Final answer
    x = 86,743.14

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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.