Home / 286,142.10-394,818.75-184,007.58

Finding the Fourth Proportional to 286,142.10, 394,818.75 and 184,007.58

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Solution

The fourth proportional to 286,142.10, 394,818.75 and 184,007.58 is: 253,893.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,142.10 : 394,818.75 = 184,007.58 : x
  2. Step 2: Convert to fraction form
    286,142.10/394,818.75 = 184,007.58/x
  3. Step 3: Cross multiply
    286,142.10x = 394,818.75 × 184,007.58
  4. Step 4: Simplify right side
    286,142.10x = 72,649,642,726.13
  5. Step 5: Solve for x
    x = 72,649,642,726.13/286,142.10
  6. Step 6: Final answer
    x = 253,893.58

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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.