Home / 103,675.30-155,318.55-96,676.90

Finding the Fourth Proportional to 103,675.30, 155,318.55 and 96,676.90

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Solution

The fourth proportional to 103,675.30, 155,318.55 and 96,676.90 is: 144,834.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,675.30 : 155,318.55 = 96,676.90 : x
  2. Step 2: Convert to fraction form
    103,675.30/155,318.55 = 96,676.90/x
  3. Step 3: Cross multiply
    103,675.30x = 155,318.55 × 96,676.90
  4. Step 4: Simplify right side
    103,675.30x = 15,015,715,926.50
  5. Step 5: Solve for x
    x = 15,015,715,926.50/103,675.30
  6. Step 6: Final answer
    x = 144,834.07

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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.