Home / 289,011.60-433,534.50-111,519.54

Finding the Fourth Proportional to 289,011.60, 433,534.50 and 111,519.54

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Solution

The fourth proportional to 289,011.60, 433,534.50 and 111,519.54 is: 167,285.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,011.60 : 433,534.50 = 111,519.54 : x
  2. Step 2: Convert to fraction form
    289,011.60/433,534.50 = 111,519.54/x
  3. Step 3: Cross multiply
    289,011.60x = 433,534.50 × 111,519.54
  4. Step 4: Simplify right side
    289,011.60x = 48,347,568,014.13
  5. Step 5: Solve for x
    x = 48,347,568,014.13/289,011.60
  6. Step 6: Final answer
    x = 167,285.91

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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.