Home / 129,537.17-194,312.72-40,797.62

Finding the Fourth Proportional to 129,537.17, 194,312.72 and 40,797.62

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Solution

The fourth proportional to 129,537.17, 194,312.72 and 40,797.62 is: 61,198.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,537.17 : 194,312.72 = 40,797.62 : x
  2. Step 2: Convert to fraction form
    129,537.17/194,312.72 = 40,797.62/x
  3. Step 3: Cross multiply
    129,537.17x = 194,312.72 × 40,797.62
  4. Step 4: Simplify right side
    129,537.17x = 7,927,497,463.84
  5. Step 5: Solve for x
    x = 7,927,497,463.84/129,537.17
  6. Step 6: Final answer
    x = 61,198.63

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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.