Home / 118,948.95-164,137.98-71,201.25

Finding the Fourth Proportional to 118,948.95, 164,137.98 and 71,201.25

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Solution

The fourth proportional to 118,948.95, 164,137.98 and 71,201.25 is: 98,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,948.95 : 164,137.98 = 71,201.25 : x
  2. Step 2: Convert to fraction form
    118,948.95/164,137.98 = 71,201.25/x
  3. Step 3: Cross multiply
    118,948.95x = 164,137.98 × 71,201.25
  4. Step 4: Simplify right side
    118,948.95x = 11,686,829,348.48
  5. Step 5: Solve for x
    x = 11,686,829,348.48/118,948.95
  6. Step 6: Final answer
    x = 98,250.80

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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.