Home / 201,035.71-277,451.40-115,002.64

Finding the Fourth Proportional to 201,035.71, 277,451.40 and 115,002.64

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Solution

The fourth proportional to 201,035.71, 277,451.40 and 115,002.64 is: 158,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,035.71 : 277,451.40 = 115,002.64 : x
  2. Step 2: Convert to fraction form
    201,035.71/277,451.40 = 115,002.64/x
  3. Step 3: Cross multiply
    201,035.71x = 277,451.40 × 115,002.64
  4. Step 4: Simplify right side
    201,035.71x = 31,907,643,471.70
  5. Step 5: Solve for x
    x = 31,907,643,471.70/201,035.71
  6. Step 6: Final answer
    x = 158,716.30

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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.