Home / 175,634.40-263,445.20-70,424.80

Finding the Fourth Proportional to 175,634.40, 263,445.20 and 70,424.80

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Solution

The fourth proportional to 175,634.40, 263,445.20 and 70,424.80 is: 105,634.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,634.40 : 263,445.20 = 70,424.80 : x
  2. Step 2: Convert to fraction form
    175,634.40/263,445.20 = 70,424.80/x
  3. Step 3: Cross multiply
    175,634.40x = 263,445.20 × 70,424.80
  4. Step 4: Simplify right side
    175,634.40x = 18,553,075,520.96
  5. Step 5: Solve for x
    x = 18,553,075,520.96/175,634.40
  6. Step 6: Final answer
    x = 105,634.63

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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.