Home / 175,815.20-263,722.80-57,490.40

Finding the Fourth Proportional to 175,815.20, 263,722.80 and 57,490.40

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Solution

The fourth proportional to 175,815.20, 263,722.80 and 57,490.40 is: 86,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,815.20 : 263,722.80 = 57,490.40 : x
  2. Step 2: Convert to fraction form
    175,815.20/263,722.80 = 57,490.40/x
  3. Step 3: Cross multiply
    175,815.20x = 263,722.80 × 57,490.40
  4. Step 4: Simplify right side
    175,815.20x = 15,161,529,261.12
  5. Step 5: Solve for x
    x = 15,161,529,261.12/175,815.20
  6. Step 6: Final answer
    x = 86,235.60

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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.