Home / 325,120.08-448,699.56-187,303.80

Finding the Fourth Proportional to 325,120.08, 448,699.56 and 187,303.80

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Solution

The fourth proportional to 325,120.08, 448,699.56 and 187,303.80 is: 258,498.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,120.08 : 448,699.56 = 187,303.80 : x
  2. Step 2: Convert to fraction form
    325,120.08/448,699.56 = 187,303.80/x
  3. Step 3: Cross multiply
    325,120.08x = 448,699.56 × 187,303.80
  4. Step 4: Simplify right side
    325,120.08x = 84,043,132,646.33
  5. Step 5: Solve for x
    x = 84,043,132,646.33/325,120.08
  6. Step 6: Final answer
    x = 258,498.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.