Home / 219,259.47-328,900.82-69,511.44

Finding the Fourth Proportional to 219,259.47, 328,900.82 and 69,511.44

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Solution

The fourth proportional to 219,259.47, 328,900.82 and 69,511.44 is: 104,270.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,259.47 : 328,900.82 = 69,511.44 : x
  2. Step 2: Convert to fraction form
    219,259.47/328,900.82 = 69,511.44/x
  3. Step 3: Cross multiply
    219,259.47x = 328,900.82 × 69,511.44
  4. Step 4: Simplify right side
    219,259.47x = 22,862,369,267.82
  5. Step 5: Solve for x
    x = 22,862,369,267.82/219,259.47
  6. Step 6: Final answer
    x = 104,270.84

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1.5x scale

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.