Home / 165,631.16-248,450.80-60,450.10

Finding the Fourth Proportional to 165,631.16, 248,450.80 and 60,450.10

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Solution

The fourth proportional to 165,631.16, 248,450.80 and 60,450.10 is: 90,676.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,631.16 : 248,450.80 = 60,450.10 : x
  2. Step 2: Convert to fraction form
    165,631.16/248,450.80 = 60,450.10/x
  3. Step 3: Cross multiply
    165,631.16x = 248,450.80 × 60,450.10
  4. Step 4: Simplify right side
    165,631.16x = 15,018,875,705.08
  5. Step 5: Solve for x
    x = 15,018,875,705.08/165,631.16
  6. Step 6: Final answer
    x = 90,676.63

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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.