Home / 192,514.04-288,820.26-74,153.60

Finding the Fourth Proportional to 192,514.04, 288,820.26 and 74,153.60

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Solution

The fourth proportional to 192,514.04, 288,820.26 and 74,153.60 is: 111,249.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,514.04 : 288,820.26 = 74,153.60 : x
  2. Step 2: Convert to fraction form
    192,514.04/288,820.26 = 74,153.60/x
  3. Step 3: Cross multiply
    192,514.04x = 288,820.26 × 74,153.60
  4. Step 4: Simplify right side
    192,514.04x = 21,417,062,031.94
  5. Step 5: Solve for x
    x = 21,417,062,031.94/192,514.04
  6. Step 6: Final answer
    x = 111,249.35

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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.