Home / 136,616.66-188,544.55-102,101.45

Finding the Fourth Proportional to 136,616.66, 188,544.55 and 102,101.45

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Solution

The fourth proportional to 136,616.66, 188,544.55 and 102,101.45 is: 140,910.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,616.66 : 188,544.55 = 102,101.45 : x
  2. Step 2: Convert to fraction form
    136,616.66/188,544.55 = 102,101.45/x
  3. Step 3: Cross multiply
    136,616.66x = 188,544.55 × 102,101.45
  4. Step 4: Simplify right side
    136,616.66x = 19,250,671,944.60
  5. Step 5: Solve for x
    x = 19,250,671,944.60/136,616.66
  6. Step 6: Final answer
    x = 140,910.13

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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.