Home / 289,161.50-433,441.53-111,790.33

Finding the Fourth Proportional to 289,161.50, 433,441.53 and 111,790.33

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Solution

The fourth proportional to 289,161.50, 433,441.53 and 111,790.33 is: 167,569.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,161.50 : 433,441.53 = 111,790.33 : x
  2. Step 2: Convert to fraction form
    289,161.50/433,441.53 = 111,790.33/x
  3. Step 3: Cross multiply
    289,161.50x = 433,441.53 × 111,790.33
  4. Step 4: Simplify right side
    289,161.50x = 48,454,570,590.80
  5. Step 5: Solve for x
    x = 48,454,570,590.80/289,161.50
  6. Step 6: Final answer
    x = 167,569.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.