Home / 165,630.95-248,486.07-53,321.67

Finding the Fourth Proportional to 165,630.95, 248,486.07 and 53,321.67

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Solution

The fourth proportional to 165,630.95, 248,486.07 and 53,321.67 is: 79,995.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,630.95 : 248,486.07 = 53,321.67 : x
  2. Step 2: Convert to fraction form
    165,630.95/248,486.07 = 53,321.67/x
  3. Step 3: Cross multiply
    165,630.95x = 248,486.07 × 53,321.67
  4. Step 4: Simplify right side
    165,630.95x = 13,249,692,224.14
  5. Step 5: Solve for x
    x = 13,249,692,224.14/165,630.95
  6. Step 6: Final answer
    x = 79,995.27

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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.