Home / 207,376.32-286,179.39-121,351.84

Finding the Fourth Proportional to 207,376.32, 286,179.39 and 121,351.84

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Solution

The fourth proportional to 207,376.32, 286,179.39 and 121,351.84 is: 167,465.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,376.32 : 286,179.39 = 121,351.84 : x
  2. Step 2: Convert to fraction form
    207,376.32/286,179.39 = 121,351.84/x
  3. Step 3: Cross multiply
    207,376.32x = 286,179.39 × 121,351.84
  4. Step 4: Simplify right side
    207,376.32x = 34,728,395,546.58
  5. Step 5: Solve for x
    x = 34,728,395,546.58/207,376.32
  6. Step 6: Final answer
    x = 167,465.58

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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.