Home / 207,047.12-285,735.16-116,431.64

Finding the Fourth Proportional to 207,047.12, 285,735.16 and 116,431.64

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Solution

The fourth proportional to 207,047.12, 285,735.16 and 116,431.64 is: 160,681.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,047.12 : 285,735.16 = 116,431.64 : x
  2. Step 2: Convert to fraction form
    207,047.12/285,735.16 = 116,431.64/x
  3. Step 3: Cross multiply
    207,047.12x = 285,735.16 × 116,431.64
  4. Step 4: Simplify right side
    207,047.12x = 33,268,613,284.46
  5. Step 5: Solve for x
    x = 33,268,613,284.46/207,047.12
  6. Step 6: Final answer
    x = 160,681.36

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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.