Home / 141,315.84-194,821.00-112,732.51

Finding the Fourth Proportional to 141,315.84, 194,821.00 and 112,732.51

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Solution

The fourth proportional to 141,315.84, 194,821.00 and 112,732.51 is: 155,415.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,315.84 : 194,821.00 = 112,732.51 : x
  2. Step 2: Convert to fraction form
    141,315.84/194,821.00 = 112,732.51/x
  3. Step 3: Cross multiply
    141,315.84x = 194,821.00 × 112,732.51
  4. Step 4: Simplify right side
    141,315.84x = 21,962,659,927.12
  5. Step 5: Solve for x
    x = 21,962,659,927.12/141,315.84
  6. Step 6: Final answer
    x = 155,415.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.