Home / 136,586.30-188,475.30-76,151.27

Finding the Fourth Proportional to 136,586.30, 188,475.30 and 76,151.27

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Solution

The fourth proportional to 136,586.30, 188,475.30 and 76,151.27 is: 105,081.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,586.30 : 188,475.30 = 76,151.27 : x
  2. Step 2: Convert to fraction form
    136,586.30/188,475.30 = 76,151.27/x
  3. Step 3: Cross multiply
    136,586.30x = 188,475.30 × 76,151.27
  4. Step 4: Simplify right side
    136,586.30x = 14,352,633,458.63
  5. Step 5: Solve for x
    x = 14,352,633,458.63/136,586.30
  6. Step 6: Final answer
    x = 105,081.06

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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.