Home / 219,389.49-329,096.55-61,605.64

Finding the Fourth Proportional to 219,389.49, 329,096.55 and 61,605.64

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Solution

The fourth proportional to 219,389.49, 329,096.55 and 61,605.64 is: 92,411.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,389.49 : 329,096.55 = 61,605.64 : x
  2. Step 2: Convert to fraction form
    219,389.49/329,096.55 = 61,605.64/x
  3. Step 3: Cross multiply
    219,389.49x = 329,096.55 × 61,605.64
  4. Step 4: Simplify right side
    219,389.49x = 20,274,203,276.51
  5. Step 5: Solve for x
    x = 20,274,203,276.51/219,389.49
  6. Step 6: Final answer
    x = 92,411.92

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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.