Home / 129,543.49-194,315.24-50,602.36

Finding the Fourth Proportional to 129,543.49, 194,315.24 and 50,602.36

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Solution

The fourth proportional to 129,543.49, 194,315.24 and 50,602.36 is: 75,903.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,543.49 : 194,315.24 = 50,602.36 : x
  2. Step 2: Convert to fraction form
    129,543.49/194,315.24 = 50,602.36/x
  3. Step 3: Cross multiply
    129,543.49x = 194,315.24 × 50,602.36
  4. Step 4: Simplify right side
    129,543.49x = 9,832,808,503.38
  5. Step 5: Solve for x
    x = 9,832,808,503.38/129,543.49
  6. Step 6: Final answer
    x = 75,903.53

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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.