Home / 127,019.27-190,155.09-84,794.60

Finding the Fourth Proportional to 127,019.27, 190,155.09 and 84,794.60

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Solution

The fourth proportional to 127,019.27, 190,155.09 and 84,794.60 is: 126,942.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,019.27 : 190,155.09 = 84,794.60 : x
  2. Step 2: Convert to fraction form
    127,019.27/190,155.09 = 84,794.60/x
  3. Step 3: Cross multiply
    127,019.27x = 190,155.09 × 84,794.60
  4. Step 4: Simplify right side
    127,019.27x = 16,124,124,794.51
  5. Step 5: Solve for x
    x = 16,124,124,794.51/127,019.27
  6. Step 6: Final answer
    x = 126,942.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.