Home / 219,895.49-329,874.68-70,137.48

Finding the Fourth Proportional to 219,895.49, 329,874.68 and 70,137.48

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Solution

The fourth proportional to 219,895.49, 329,874.68 and 70,137.48 is: 105,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,895.49 : 329,874.68 = 70,137.48 : x
  2. Step 2: Convert to fraction form
    219,895.49/329,874.68 = 70,137.48/x
  3. Step 3: Cross multiply
    219,895.49x = 329,874.68 × 70,137.48
  4. Step 4: Simplify right side
    219,895.49x = 23,136,578,420.32
  5. Step 5: Solve for x
    x = 23,136,578,420.32/219,895.49
  6. Step 6: Final answer
    x = 105,216.25

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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.