Home / 475,185.23-712,780.25-120,199.59

Finding the Fourth Proportional to 475,185.23, 712,780.25 and 120,199.59

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Solution

The fourth proportional to 475,185.23, 712,780.25 and 120,199.59 is: 180,299.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,185.23 : 712,780.25 = 120,199.59 : x
  2. Step 2: Convert to fraction form
    475,185.23/712,780.25 = 120,199.59/x
  3. Step 3: Cross multiply
    475,185.23x = 712,780.25 × 120,199.59
  4. Step 4: Simplify right side
    475,185.23x = 85,675,893,810.10
  5. Step 5: Solve for x
    x = 85,675,893,810.10/475,185.23
  6. Step 6: Final answer
    x = 180,299.99

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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.