Home / 131,684.06-197,636.70-56,860.76

Finding the Fourth Proportional to 131,684.06, 197,636.70 and 56,860.76

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Solution

The fourth proportional to 131,684.06, 197,636.70 and 56,860.76 is: 85,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,684.06 : 197,636.70 = 56,860.76 : x
  2. Step 2: Convert to fraction form
    131,684.06/197,636.70 = 56,860.76/x
  3. Step 3: Cross multiply
    131,684.06x = 197,636.70 × 56,860.76
  4. Step 4: Simplify right side
    131,684.06x = 11,237,772,965.89
  5. Step 5: Solve for x
    x = 11,237,772,965.89/131,684.06
  6. Step 6: Final answer
    x = 85,338.90

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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.