Home / 129,812.76-194,742.83-59,690.25

Finding the Fourth Proportional to 129,812.76, 194,742.83 and 59,690.25

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Solution

The fourth proportional to 129,812.76, 194,742.83 and 59,690.25 is: 89,546.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,812.76 : 194,742.83 = 59,690.25 : x
  2. Step 2: Convert to fraction form
    129,812.76/194,742.83 = 59,690.25/x
  3. Step 3: Cross multiply
    129,812.76x = 194,742.83 × 59,690.25
  4. Step 4: Simplify right side
    129,812.76x = 11,624,248,357.63
  5. Step 5: Solve for x
    x = 11,624,248,357.63/129,812.76
  6. Step 6: Final answer
    x = 89,546.27

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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.