Home / 165,501.26-248,151.81-74,300.12

Finding the Fourth Proportional to 165,501.26, 248,151.81 and 74,300.12

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Solution

The fourth proportional to 165,501.26, 248,151.81 and 74,300.12 is: 111,405.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,501.26 : 248,151.81 = 74,300.12 : x
  2. Step 2: Convert to fraction form
    165,501.26/248,151.81 = 74,300.12/x
  3. Step 3: Cross multiply
    165,501.26x = 248,151.81 × 74,300.12
  4. Step 4: Simplify right side
    165,501.26x = 18,437,709,261.22
  5. Step 5: Solve for x
    x = 18,437,709,261.22/165,501.26
  6. Step 6: Final answer
    x = 111,405.25

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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.