Home / 181,881.28-250,996.62-105,415.21

Finding the Fourth Proportional to 181,881.28, 250,996.62 and 105,415.21

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Solution

The fourth proportional to 181,881.28, 250,996.62 and 105,415.21 is: 145,473.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,881.28 : 250,996.62 = 105,415.21 : x
  2. Step 2: Convert to fraction form
    181,881.28/250,996.62 = 105,415.21/x
  3. Step 3: Cross multiply
    181,881.28x = 250,996.62 × 105,415.21
  4. Step 4: Simplify right side
    181,881.28x = 26,458,861,406.59
  5. Step 5: Solve for x
    x = 26,458,861,406.59/181,881.28
  6. Step 6: Final answer
    x = 145,473.25

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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.