Home / 342,715.24-472,950.77-189,756.23

Finding the Fourth Proportional to 342,715.24, 472,950.77 and 189,756.23

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Solution

The fourth proportional to 342,715.24, 472,950.77 and 189,756.23 is: 261,865.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,715.24 : 472,950.77 = 189,756.23 : x
  2. Step 2: Convert to fraction form
    342,715.24/472,950.77 = 189,756.23/x
  3. Step 3: Cross multiply
    342,715.24x = 472,950.77 × 189,756.23
  4. Step 4: Simplify right side
    342,715.24x = 89,745,355,731.54
  5. Step 5: Solve for x
    x = 89,745,355,731.54/342,715.24
  6. Step 6: Final answer
    x = 261,865.67

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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.