Home / 282,550.24-389,941.20-161,729.44

Finding the Fourth Proportional to 282,550.24, 389,941.20 and 161,729.44

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Solution

The fourth proportional to 282,550.24, 389,941.20 and 161,729.44 is: 223,199.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,550.24 : 389,941.20 = 161,729.44 : x
  2. Step 2: Convert to fraction form
    282,550.24/389,941.20 = 161,729.44/x
  3. Step 3: Cross multiply
    282,550.24x = 389,941.20 × 161,729.44
  4. Step 4: Simplify right side
    282,550.24x = 63,064,971,908.93
  5. Step 5: Solve for x
    x = 63,064,971,908.93/282,550.24
  6. Step 6: Final answer
    x = 223,199.14

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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.