Home / 165,430.72-248,168.96-53,084.52

Finding the Fourth Proportional to 165,430.72, 248,168.96 and 53,084.52

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Solution

The fourth proportional to 165,430.72, 248,168.96 and 53,084.52 is: 79,634.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,430.72 : 248,168.96 = 53,084.52 : x
  2. Step 2: Convert to fraction form
    165,430.72/248,168.96 = 53,084.52/x
  3. Step 3: Cross multiply
    165,430.72x = 248,168.96 × 53,084.52
  4. Step 4: Simplify right side
    165,430.72x = 13,173,930,120.50
  5. Step 5: Solve for x
    x = 13,173,930,120.50/165,430.72
  6. Step 6: Final answer
    x = 79,634.12

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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.