Home / 207,690.05-286,629.12-117,052.16

Finding the Fourth Proportional to 207,690.05, 286,629.12 and 117,052.16

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Solution

The fourth proportional to 207,690.05, 286,629.12 and 117,052.16 is: 161,541.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,690.05 : 286,629.12 = 117,052.16 : x
  2. Step 2: Convert to fraction form
    207,690.05/286,629.12 = 117,052.16/x
  3. Step 3: Cross multiply
    207,690.05x = 286,629.12 × 117,052.16
  4. Step 4: Simplify right side
    207,690.05x = 33,550,556,181.75
  5. Step 5: Solve for x
    x = 33,550,556,181.75/207,690.05
  6. Step 6: Final answer
    x = 161,541.47

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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.