Home / 288,638.20-433,151.70-170,183.80

Finding the Fourth Proportional to 288,638.20, 433,151.70 and 170,183.80

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Solution

The fourth proportional to 288,638.20, 433,151.70 and 170,183.80 is: 255,390.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,638.20 : 433,151.70 = 170,183.80 : x
  2. Step 2: Convert to fraction form
    288,638.20/433,151.70 = 170,183.80/x
  3. Step 3: Cross multiply
    288,638.20x = 433,151.70 × 170,183.80
  4. Step 4: Simplify right side
    288,638.20x = 73,715,402,282.46
  5. Step 5: Solve for x
    x = 73,715,402,282.46/288,638.20
  6. Step 6: Final answer
    x = 255,390.32

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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.