Home / 121,533.33-182,318.22-42,633.66

Finding the Fourth Proportional to 121,533.33, 182,318.22 and 42,633.66

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Solution

The fourth proportional to 121,533.33, 182,318.22 and 42,633.66 is: 63,956.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,533.33 : 182,318.22 = 42,633.66 : x
  2. Step 2: Convert to fraction form
    121,533.33/182,318.22 = 42,633.66/x
  3. Step 3: Cross multiply
    121,533.33x = 182,318.22 × 42,633.66
  4. Step 4: Simplify right side
    121,533.33x = 7,772,892,091.69
  5. Step 5: Solve for x
    x = 7,772,892,091.69/121,533.33
  6. Step 6: Final answer
    x = 63,956.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.