Home / 129,869.80-194,804.70-50,943.40

Finding the Fourth Proportional to 129,869.80, 194,804.70 and 50,943.40

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Solution

The fourth proportional to 129,869.80, 194,804.70 and 50,943.40 is: 76,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,869.80 : 194,804.70 = 50,943.40 : x
  2. Step 2: Convert to fraction form
    129,869.80/194,804.70 = 50,943.40/x
  3. Step 3: Cross multiply
    129,869.80x = 194,804.70 × 50,943.40
  4. Step 4: Simplify right side
    129,869.80x = 9,924,013,753.98
  5. Step 5: Solve for x
    x = 9,924,013,753.98/129,869.80
  6. Step 6: Final answer
    x = 76,415.10

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1.5x scale

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.