Home / 288,050.20-432,075.30-248,651.80

Finding the Fourth Proportional to 288,050.20, 432,075.30 and 248,651.80

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Solution

The fourth proportional to 288,050.20, 432,075.30 and 248,651.80 is: 372,977.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,050.20 : 432,075.30 = 248,651.80 : x
  2. Step 2: Convert to fraction form
    288,050.20/432,075.30 = 248,651.80/x
  3. Step 3: Cross multiply
    288,050.20x = 432,075.30 × 248,651.80
  4. Step 4: Simplify right side
    288,050.20x = 107,436,301,080.54
  5. Step 5: Solve for x
    x = 107,436,301,080.54/288,050.20
  6. Step 6: Final answer
    x = 372,977.70

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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.