Home / 125,926.72-189,152.40-106,243.84

Finding the Fourth Proportional to 125,926.72, 189,152.40 and 106,243.84

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Solution

The fourth proportional to 125,926.72, 189,152.40 and 106,243.84 is: 159,587.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,926.72 : 189,152.40 = 106,243.84 : x
  2. Step 2: Convert to fraction form
    125,926.72/189,152.40 = 106,243.84/x
  3. Step 3: Cross multiply
    125,926.72x = 189,152.40 × 106,243.84
  4. Step 4: Simplify right side
    125,926.72x = 20,096,277,321.22
  5. Step 5: Solve for x
    x = 20,096,277,321.22/125,926.72
  6. Step 6: Final answer
    x = 159,587.08

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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.