Home / 286,178.04-394,927.20-178,810.32

Finding the Fourth Proportional to 286,178.04, 394,927.20 and 178,810.32

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Solution

The fourth proportional to 286,178.04, 394,927.20 and 178,810.32 is: 246,759.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,178.04 : 394,927.20 = 178,810.32 : x
  2. Step 2: Convert to fraction form
    286,178.04/394,927.20 = 178,810.32/x
  3. Step 3: Cross multiply
    286,178.04x = 394,927.20 × 178,810.32
  4. Step 4: Simplify right side
    286,178.04x = 70,617,059,008.70
  5. Step 5: Solve for x
    x = 70,617,059,008.70/286,178.04
  6. Step 6: Final answer
    x = 246,759.18

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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.