Home / 188,221.02-259,647.03-152,451.42

Finding the Fourth Proportional to 188,221.02, 259,647.03 and 152,451.42

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Solution

The fourth proportional to 188,221.02, 259,647.03 and 152,451.42 is: 210,303.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,221.02 : 259,647.03 = 152,451.42 : x
  2. Step 2: Convert to fraction form
    188,221.02/259,647.03 = 152,451.42/x
  3. Step 3: Cross multiply
    188,221.02x = 259,647.03 × 152,451.42
  4. Step 4: Simplify right side
    188,221.02x = 39,583,558,422.28
  5. Step 5: Solve for x
    x = 39,583,558,422.28/188,221.02
  6. Step 6: Final answer
    x = 210,303.60

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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.