Home / 103,674.30-155,317.05-96,675.90

Finding the Fourth Proportional to 103,674.30, 155,317.05 and 96,675.90

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Solution

The fourth proportional to 103,674.30, 155,317.05 and 96,675.90 is: 144,832.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,674.30 : 155,317.05 = 96,675.90 : x
  2. Step 2: Convert to fraction form
    103,674.30/155,317.05 = 96,675.90/x
  3. Step 3: Cross multiply
    103,674.30x = 155,317.05 × 96,675.90
  4. Step 4: Simplify right side
    103,674.30x = 15,015,415,594.10
  5. Step 5: Solve for x
    x = 15,015,415,594.10/103,674.30
  6. Step 6: Final answer
    x = 144,832.57

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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.