Home / 207,305.64-286,078.32-116,661.60

Finding the Fourth Proportional to 207,305.64, 286,078.32 and 116,661.60

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Solution

The fourth proportional to 207,305.64, 286,078.32 and 116,661.60 is: 160,991.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,305.64 : 286,078.32 = 116,661.60 : x
  2. Step 2: Convert to fraction form
    207,305.64/286,078.32 = 116,661.60/x
  3. Step 3: Cross multiply
    207,305.64x = 286,078.32 × 116,661.60
  4. Step 4: Simplify right side
    207,305.64x = 33,374,354,536.51
  5. Step 5: Solve for x
    x = 33,374,354,536.51/207,305.64
  6. Step 6: Final answer
    x = 160,991.06

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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.