Home / 119,261.70-178,881.54-40,366.86

Finding the Fourth Proportional to 119,261.70, 178,881.54 and 40,366.86

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Solution

The fourth proportional to 119,261.70, 178,881.54 and 40,366.86 is: 60,546.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,261.70 : 178,881.54 = 40,366.86 : x
  2. Step 2: Convert to fraction form
    119,261.70/178,881.54 = 40,366.86/x
  3. Step 3: Cross multiply
    119,261.70x = 178,881.54 × 40,366.86
  4. Step 4: Simplify right side
    119,261.70x = 7,220,886,081.76
  5. Step 5: Solve for x
    x = 7,220,886,081.76/119,261.70
  6. Step 6: Final answer
    x = 60,546.56

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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.