Home / 175,638.60-263,409.30-70,468.20

Finding the Fourth Proportional to 175,638.60, 263,409.30 and 70,468.20

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Solution

The fourth proportional to 175,638.60, 263,409.30 and 70,468.20 is: 105,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,638.60 : 263,409.30 = 70,468.20 : x
  2. Step 2: Convert to fraction form
    175,638.60/263,409.30 = 70,468.20/x
  3. Step 3: Cross multiply
    175,638.60x = 263,409.30 × 70,468.20
  4. Step 4: Simplify right side
    175,638.60x = 18,561,979,234.26
  5. Step 5: Solve for x
    x = 18,561,979,234.26/175,638.60
  6. Step 6: Final answer
    x = 105,682.80

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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.