Home / 219,253.21-328,822.72-92,828.37

Finding the Fourth Proportional to 219,253.21, 328,822.72 and 92,828.37

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Solution

The fourth proportional to 219,253.21, 328,822.72 and 92,828.37 is: 139,218.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,253.21 : 328,822.72 = 92,828.37 : x
  2. Step 2: Convert to fraction form
    219,253.21/328,822.72 = 92,828.37/x
  3. Step 3: Cross multiply
    219,253.21x = 328,822.72 × 92,828.37
  4. Step 4: Simplify right side
    219,253.21x = 30,524,078,547.81
  5. Step 5: Solve for x
    x = 30,524,078,547.81/219,253.21
  6. Step 6: Final answer
    x = 139,218.39

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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.