Home / 126,830.41-190,258.20-46,889.35

Finding the Fourth Proportional to 126,830.41, 190,258.20 and 46,889.35

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Solution

The fourth proportional to 126,830.41, 190,258.20 and 46,889.35 is: 70,338.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,830.41 : 190,258.20 = 46,889.35 : x
  2. Step 2: Convert to fraction form
    126,830.41/190,258.20 = 46,889.35/x
  3. Step 3: Cross multiply
    126,830.41x = 190,258.20 × 46,889.35
  4. Step 4: Simplify right side
    126,830.41x = 8,921,082,854.52
  5. Step 5: Solve for x
    x = 8,921,082,854.52/126,830.41
  6. Step 6: Final answer
    x = 70,338.68

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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.