Home / 145,596.87-200,923.27-81,934.67

Finding the Fourth Proportional to 145,596.87, 200,923.27 and 81,934.67

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Solution

The fourth proportional to 145,596.87, 200,923.27 and 81,934.67 is: 113,069.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,596.87 : 200,923.27 = 81,934.67 : x
  2. Step 2: Convert to fraction form
    145,596.87/200,923.27 = 81,934.67/x
  3. Step 3: Cross multiply
    145,596.87x = 200,923.27 × 81,934.67
  4. Step 4: Simplify right side
    145,596.87x = 16,462,581,822.77
  5. Step 5: Solve for x
    x = 16,462,581,822.77/145,596.87
  6. Step 6: Final answer
    x = 113,069.61

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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.