Home / 174,847.30-262,400.55-128,191.30

Finding the Fourth Proportional to 174,847.30, 262,400.55 and 128,191.30

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Solution

The fourth proportional to 174,847.30, 262,400.55 and 128,191.30 is: 192,381.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,847.30 : 262,400.55 = 128,191.30 : x
  2. Step 2: Convert to fraction form
    174,847.30/262,400.55 = 128,191.30/x
  3. Step 3: Cross multiply
    174,847.30x = 262,400.55 × 128,191.30
  4. Step 4: Simplify right side
    174,847.30x = 33,637,467,625.22
  5. Step 5: Solve for x
    x = 33,637,467,625.22/174,847.30
  6. Step 6: Final answer
    x = 192,381.97

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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.