Home / 136,471.24-188,316.88-76,039.56

Finding the Fourth Proportional to 136,471.24, 188,316.88 and 76,039.56

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Solution

The fourth proportional to 136,471.24, 188,316.88 and 76,039.56 is: 104,927.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,471.24 : 188,316.88 = 76,039.56 : x
  2. Step 2: Convert to fraction form
    136,471.24/188,316.88 = 76,039.56/x
  3. Step 3: Cross multiply
    136,471.24x = 188,316.88 × 76,039.56
  4. Step 4: Simplify right side
    136,471.24x = 14,319,532,695.77
  5. Step 5: Solve for x
    x = 14,319,532,695.77/136,471.24
  6. Step 6: Final answer
    x = 104,927.11

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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.