Home / 165,666.12-248,528.40-60,631.80

Finding the Fourth Proportional to 165,666.12, 248,528.40 and 60,631.80

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Solution

The fourth proportional to 165,666.12, 248,528.40 and 60,631.80 is: 90,958.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,666.12 : 248,528.40 = 60,631.80 : x
  2. Step 2: Convert to fraction form
    165,666.12/248,528.40 = 60,631.80/x
  3. Step 3: Cross multiply
    165,666.12x = 248,528.40 × 60,631.80
  4. Step 4: Simplify right side
    165,666.12x = 15,068,724,243.12
  5. Step 5: Solve for x
    x = 15,068,724,243.12/165,666.12
  6. Step 6: Final answer
    x = 90,958.39

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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.