Home / 129,811.84-194,600.64-59,655.04

Finding the Fourth Proportional to 129,811.84, 194,600.64 and 59,655.04

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Solution

The fourth proportional to 129,811.84, 194,600.64 and 59,655.04 is: 89,428.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,811.84 : 194,600.64 = 59,655.04 : x
  2. Step 2: Convert to fraction form
    129,811.84/194,600.64 = 59,655.04/x
  3. Step 3: Cross multiply
    129,811.84x = 194,600.64 × 59,655.04
  4. Step 4: Simplify right side
    129,811.84x = 11,608,908,963.23
  5. Step 5: Solve for x
    x = 11,608,908,963.23/129,811.84
  6. Step 6: Final answer
    x = 89,428.74

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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.