Home / 286,176.53-394,925.13-178,808.82

Finding the Fourth Proportional to 286,176.53, 394,925.13 and 178,808.82

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Solution

The fourth proportional to 286,176.53, 394,925.13 and 178,808.82 is: 246,757.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,176.53 : 394,925.13 = 178,808.82 : x
  2. Step 2: Convert to fraction form
    286,176.53/394,925.13 = 178,808.82/x
  3. Step 3: Cross multiply
    286,176.53x = 394,925.13 × 178,808.82
  4. Step 4: Simplify right side
    286,176.53x = 70,616,096,483.65
  5. Step 5: Solve for x
    x = 70,616,096,483.65/286,176.53
  6. Step 6: Final answer
    x = 246,757.12

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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.