Home / 117,208.26-161,746.53-66,907.14

Finding the Fourth Proportional to 117,208.26, 161,746.53 and 66,907.14

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Solution

The fourth proportional to 117,208.26, 161,746.53 and 66,907.14 is: 92,331.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,208.26 : 161,746.53 = 66,907.14 : x
  2. Step 2: Convert to fraction form
    117,208.26/161,746.53 = 66,907.14/x
  3. Step 3: Cross multiply
    117,208.26x = 161,746.53 × 66,907.14
  4. Step 4: Simplify right side
    117,208.26x = 10,821,997,727.22
  5. Step 5: Solve for x
    x = 10,821,997,727.22/117,208.26
  6. Step 6: Final answer
    x = 92,331.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.