Home / 282,380.32-389,684.03-169,203.07

Finding the Fourth Proportional to 282,380.32, 389,684.03 and 169,203.07

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Solution

The fourth proportional to 282,380.32, 389,684.03 and 169,203.07 is: 233,499.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,380.32 : 389,684.03 = 169,203.07 : x
  2. Step 2: Convert to fraction form
    282,380.32/389,684.03 = 169,203.07/x
  3. Step 3: Cross multiply
    282,380.32x = 389,684.03 × 169,203.07
  4. Step 4: Simplify right side
    282,380.32x = 65,935,733,654.77
  5. Step 5: Solve for x
    x = 65,935,733,654.77/282,380.32
  6. Step 6: Final answer
    x = 233,499.75

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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.