Home / 140,258.20-193,557.86-76,597.87

Finding the Fourth Proportional to 140,258.20, 193,557.86 and 76,597.87

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Solution

The fourth proportional to 140,258.20, 193,557.86 and 76,597.87 is: 105,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,258.20 : 193,557.86 = 76,597.87 : x
  2. Step 2: Convert to fraction form
    140,258.20/193,557.86 = 76,597.87/x
  3. Step 3: Cross multiply
    140,258.20x = 193,557.86 × 76,597.87
  4. Step 4: Simplify right side
    140,258.20x = 14,826,119,797.76
  5. Step 5: Solve for x
    x = 14,826,119,797.76/140,258.20
  6. Step 6: Final answer
    x = 105,705.90

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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.