Home / 140,258.58-193,558.37-76,598.25

Finding the Fourth Proportional to 140,258.58, 193,558.37 and 76,598.25

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Solution

The fourth proportional to 140,258.58, 193,558.37 and 76,598.25 is: 105,706.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,258.58 : 193,558.37 = 76,598.25 : x
  2. Step 2: Convert to fraction form
    140,258.58/193,558.37 = 76,598.25/x
  3. Step 3: Cross multiply
    140,258.58x = 193,558.37 × 76,598.25
  4. Step 4: Simplify right side
    140,258.58x = 14,826,232,414.85
  5. Step 5: Solve for x
    x = 14,826,232,414.85/140,258.58
  6. Step 6: Final answer
    x = 105,706.42

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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.