Home / 219,390.21-329,097.62-61,606.36

Finding the Fourth Proportional to 219,390.21, 329,097.62 and 61,606.36

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Solution

The fourth proportional to 219,390.21, 329,097.62 and 61,606.36 is: 92,413.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,390.21 : 329,097.62 = 61,606.36 : x
  2. Step 2: Convert to fraction form
    219,390.21/329,097.62 = 61,606.36/x
  3. Step 3: Cross multiply
    219,390.21x = 329,097.62 × 61,606.36
  4. Step 4: Simplify right side
    219,390.21x = 20,274,506,401.19
  5. Step 5: Solve for x
    x = 20,274,506,401.19/219,390.21
  6. Step 6: Final answer
    x = 92,413.00

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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.