Home / 175,855.60-263,783.40-51,209.20

Finding the Fourth Proportional to 175,855.60, 263,783.40 and 51,209.20

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Solution

The fourth proportional to 175,855.60, 263,783.40 and 51,209.20 is: 76,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,855.60 : 263,783.40 = 51,209.20 : x
  2. Step 2: Convert to fraction form
    175,855.60/263,783.40 = 51,209.20/x
  3. Step 3: Cross multiply
    175,855.60x = 263,783.40 × 51,209.20
  4. Step 4: Simplify right side
    175,855.60x = 13,508,136,887.28
  5. Step 5: Solve for x
    x = 13,508,136,887.28/175,855.60
  6. Step 6: Final answer
    x = 76,813.80

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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.