Home / 186,583.48-279,916.80-68,252.20

Finding the Fourth Proportional to 186,583.48, 279,916.80 and 68,252.20

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Solution

The fourth proportional to 186,583.48, 279,916.80 and 68,252.20 is: 102,393.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,583.48 : 279,916.80 = 68,252.20 : x
  2. Step 2: Convert to fraction form
    186,583.48/279,916.80 = 68,252.20/x
  3. Step 3: Cross multiply
    186,583.48x = 279,916.80 × 68,252.20
  4. Step 4: Simplify right side
    186,583.48x = 19,104,937,416.96
  5. Step 5: Solve for x
    x = 19,104,937,416.96/186,583.48
  6. Step 6: Final answer
    x = 102,393.51

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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.