Home / 118,263.73-163,131.06-84,283.22

Finding the Fourth Proportional to 118,263.73, 163,131.06 and 84,283.22

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Solution

The fourth proportional to 118,263.73, 163,131.06 and 84,283.22 is: 116,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,263.73 : 163,131.06 = 84,283.22 : x
  2. Step 2: Convert to fraction form
    118,263.73/163,131.06 = 84,283.22/x
  3. Step 3: Cross multiply
    118,263.73x = 163,131.06 × 84,283.22
  4. Step 4: Simplify right side
    118,263.73x = 13,749,211,513.30
  5. Step 5: Solve for x
    x = 13,749,211,513.30/118,263.73
  6. Step 6: Final answer
    x = 116,258.90

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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.