Home / 105,020.38-157,530.59-26,134.60

Finding the Fourth Proportional to 105,020.38, 157,530.59 and 26,134.60

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Solution

The fourth proportional to 105,020.38, 157,530.59 and 26,134.60 is: 39,201.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,020.38 : 157,530.59 = 26,134.60 : x
  2. Step 2: Convert to fraction form
    105,020.38/157,530.59 = 26,134.60/x
  3. Step 3: Cross multiply
    105,020.38x = 157,530.59 × 26,134.60
  4. Step 4: Simplify right side
    105,020.38x = 4,116,998,826.29
  5. Step 5: Solve for x
    x = 4,116,998,826.29/105,020.38
  6. Step 6: Final answer
    x = 39,201.90

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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.