Home / 209,500.55-289,110.22-114,007.22

Finding the Fourth Proportional to 209,500.55, 289,110.22 and 114,007.22

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Solution

The fourth proportional to 209,500.55, 289,110.22 and 114,007.22 is: 157,329.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,500.55 : 289,110.22 = 114,007.22 : x
  2. Step 2: Convert to fraction form
    209,500.55/289,110.22 = 114,007.22/x
  3. Step 3: Cross multiply
    209,500.55x = 289,110.22 × 114,007.22
  4. Step 4: Simplify right side
    209,500.55x = 32,960,650,725.22
  5. Step 5: Solve for x
    x = 32,960,650,725.22/209,500.55
  6. Step 6: Final answer
    x = 157,329.67

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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.