Home / 148,515.15-204,961.77-84,851.58

Finding the Fourth Proportional to 148,515.15, 204,961.77 and 84,851.58

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Solution

The fourth proportional to 148,515.15, 204,961.77 and 84,851.58 is: 117,101.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,515.15 : 204,961.77 = 84,851.58 : x
  2. Step 2: Convert to fraction form
    148,515.15/204,961.77 = 84,851.58/x
  3. Step 3: Cross multiply
    148,515.15x = 204,961.77 × 84,851.58
  4. Step 4: Simplify right side
    148,515.15x = 17,391,330,024.10
  5. Step 5: Solve for x
    x = 17,391,330,024.10/148,515.15
  6. Step 6: Final answer
    x = 117,101.39

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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.