Home / 182,133.54-251,254.08-121,723.20

Finding the Fourth Proportional to 182,133.54, 251,254.08 and 121,723.20

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Solution

The fourth proportional to 182,133.54, 251,254.08 and 121,723.20 is: 167,917.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,133.54 : 251,254.08 = 121,723.20 : x
  2. Step 2: Convert to fraction form
    182,133.54/251,254.08 = 121,723.20/x
  3. Step 3: Cross multiply
    182,133.54x = 251,254.08 × 121,723.20
  4. Step 4: Simplify right side
    182,133.54x = 30,583,450,630.66
  5. Step 5: Solve for x
    x = 30,583,450,630.66/182,133.54
  6. Step 6: Final answer
    x = 167,917.73

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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.