Home / 181,827.21-250,905.47-105,321.84

Finding the Fourth Proportional to 181,827.21, 250,905.47 and 105,321.84

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Solution

The fourth proportional to 181,827.21, 250,905.47 and 105,321.84 is: 145,334.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,827.21 : 250,905.47 = 105,321.84 : x
  2. Step 2: Convert to fraction form
    181,827.21/250,905.47 = 105,321.84/x
  3. Step 3: Cross multiply
    181,827.21x = 250,905.47 × 105,321.84
  4. Step 4: Simplify right side
    181,827.21x = 26,425,825,239.86
  5. Step 5: Solve for x
    x = 26,425,825,239.86/181,827.21
  6. Step 6: Final answer
    x = 145,334.82

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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.