Home / 139,176.89-192,220.58-93,775.37

Finding the Fourth Proportional to 139,176.89, 192,220.58 and 93,775.37

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Solution

The fourth proportional to 139,176.89, 192,220.58 and 93,775.37 is: 129,515.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,176.89 : 192,220.58 = 93,775.37 : x
  2. Step 2: Convert to fraction form
    139,176.89/192,220.58 = 93,775.37/x
  3. Step 3: Cross multiply
    139,176.89x = 192,220.58 × 93,775.37
  4. Step 4: Simplify right side
    139,176.89x = 18,025,556,011.11
  5. Step 5: Solve for x
    x = 18,025,556,011.11/139,176.89
  6. Step 6: Final answer
    x = 129,515.44

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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.