Home / 286,178.08-394,927.29-178,810.42

Finding the Fourth Proportional to 286,178.08, 394,927.29 and 178,810.42

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Solution

The fourth proportional to 286,178.08, 394,927.29 and 178,810.42 is: 246,759.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,178.08 : 394,927.29 = 178,810.42 : x
  2. Step 2: Convert to fraction form
    286,178.08/394,927.29 = 178,810.42/x
  3. Step 3: Cross multiply
    286,178.08x = 394,927.29 × 178,810.42
  4. Step 4: Simplify right side
    286,178.08x = 70,617,114,594.36
  5. Step 5: Solve for x
    x = 70,617,114,594.36/286,178.08
  6. Step 6: Final answer
    x = 246,759.34

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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.