Home / 282,550.40-389,694.04-185,853.56

Finding the Fourth Proportional to 282,550.40, 389,694.04 and 185,853.56

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Solution

The fourth proportional to 282,550.40, 389,694.04 and 185,853.56 is: 256,329.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,550.40 : 389,694.04 = 185,853.56 : x
  2. Step 2: Convert to fraction form
    282,550.40/389,694.04 = 185,853.56/x
  3. Step 3: Cross multiply
    282,550.40x = 389,694.04 × 185,853.56
  4. Step 4: Simplify right side
    282,550.40x = 72,426,024,644.78
  5. Step 5: Solve for x
    x = 72,426,024,644.78/282,550.40
  6. Step 6: Final answer
    x = 256,329.58

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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.