Home / 281,089.08-387,916.83-166,433.18

Finding the Fourth Proportional to 281,089.08, 387,916.83 and 166,433.18

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Solution

The fourth proportional to 281,089.08, 387,916.83 and 166,433.18 is: 229,686.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,089.08 : 387,916.83 = 166,433.18 : x
  2. Step 2: Convert to fraction form
    281,089.08/387,916.83 = 166,433.18/x
  3. Step 3: Cross multiply
    281,089.08x = 387,916.83 × 166,433.18
  4. Step 4: Simplify right side
    281,089.08x = 64,562,229,652.84
  5. Step 5: Solve for x
    x = 64,562,229,652.84/281,089.08
  6. Step 6: Final answer
    x = 229,686.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.