Home / 136,878.78-205,383.15-94,823.58

Finding the Fourth Proportional to 136,878.78, 205,383.15 and 94,823.58

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Solution

The fourth proportional to 136,878.78, 205,383.15 and 94,823.58 is: 142,280.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,878.78 : 205,383.15 = 94,823.58 : x
  2. Step 2: Convert to fraction form
    136,878.78/205,383.15 = 94,823.58/x
  3. Step 3: Cross multiply
    136,878.78x = 205,383.15 × 94,823.58
  4. Step 4: Simplify right side
    136,878.78x = 19,475,165,554.68
  5. Step 5: Solve for x
    x = 19,475,165,554.68/136,878.78
  6. Step 6: Final answer
    x = 142,280.39

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1.5x scale

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.