Home / 129,815.84-194,606.64-59,659.04

Finding the Fourth Proportional to 129,815.84, 194,606.64 and 59,659.04

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Solution

The fourth proportional to 129,815.84, 194,606.64 and 59,659.04 is: 89,434.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,815.84 : 194,606.64 = 59,659.04 : x
  2. Step 2: Convert to fraction form
    129,815.84/194,606.64 = 59,659.04/x
  3. Step 3: Cross multiply
    129,815.84x = 194,606.64 × 59,659.04
  4. Step 4: Simplify right side
    129,815.84x = 11,610,045,320.03
  5. Step 5: Solve for x
    x = 11,610,045,320.03/129,815.84
  6. Step 6: Final answer
    x = 89,434.74

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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.