Home / 175,933.20-263,899.80-42,812.40

Finding the Fourth Proportional to 175,933.20, 263,899.80 and 42,812.40

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Solution

The fourth proportional to 175,933.20, 263,899.80 and 42,812.40 is: 64,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,933.20 : 263,899.80 = 42,812.40 : x
  2. Step 2: Convert to fraction form
    175,933.20/263,899.80 = 42,812.40/x
  3. Step 3: Cross multiply
    175,933.20x = 263,899.80 × 42,812.40
  4. Step 4: Simplify right side
    175,933.20x = 11,298,183,797.52
  5. Step 5: Solve for x
    x = 11,298,183,797.52/175,933.20
  6. Step 6: Final answer
    x = 64,218.60

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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.