Home / 139,756.45-192,861.97-76,094.25

Finding the Fourth Proportional to 139,756.45, 192,861.97 and 76,094.25

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Solution

The fourth proportional to 139,756.45, 192,861.97 and 76,094.25 is: 105,009.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,756.45 : 192,861.97 = 76,094.25 : x
  2. Step 2: Convert to fraction form
    139,756.45/192,861.97 = 76,094.25/x
  3. Step 3: Cross multiply
    139,756.45x = 192,861.97 × 76,094.25
  4. Step 4: Simplify right side
    139,756.45x = 14,675,686,960.67
  5. Step 5: Solve for x
    x = 14,675,686,960.67/139,756.45
  6. Step 6: Final answer
    x = 105,009.01

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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.