Home / 104,213.58-143,864.33-69,817.53

Finding the Fourth Proportional to 104,213.58, 143,864.33 and 69,817.53

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Solution

The fourth proportional to 104,213.58, 143,864.33 and 69,817.53 is: 96,381.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,213.58 : 143,864.33 = 69,817.53 : x
  2. Step 2: Convert to fraction form
    104,213.58/143,864.33 = 69,817.53/x
  3. Step 3: Cross multiply
    104,213.58x = 143,864.33 × 69,817.53
  4. Step 4: Simplify right side
    104,213.58x = 10,044,252,366.11
  5. Step 5: Solve for x
    x = 10,044,252,366.11/104,213.58
  6. Step 6: Final answer
    x = 96,381.42

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1.5x scale

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.