Home / 126,690.09-190,004.90-37,919.76

Finding the Fourth Proportional to 126,690.09, 190,004.90 and 37,919.76

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Solution

The fourth proportional to 126,690.09, 190,004.90 and 37,919.76 is: 56,870.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,690.09 : 190,004.90 = 37,919.76 : x
  2. Step 2: Convert to fraction form
    126,690.09/190,004.90 = 37,919.76/x
  3. Step 3: Cross multiply
    126,690.09x = 190,004.90 × 37,919.76
  4. Step 4: Simplify right side
    126,690.09x = 7,204,940,017.23
  5. Step 5: Solve for x
    x = 7,204,940,017.23/126,690.09
  6. Step 6: Final answer
    x = 56,870.59

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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.