Home / 447,997.15-671,987.08-111,038.50

Finding the Fourth Proportional to 447,997.15, 671,987.08 and 111,038.50

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Solution

The fourth proportional to 447,997.15, 671,987.08 and 111,038.50 is: 166,555.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,997.15 : 671,987.08 = 111,038.50 : x
  2. Step 2: Convert to fraction form
    447,997.15/671,987.08 = 111,038.50/x
  3. Step 3: Cross multiply
    447,997.15x = 671,987.08 × 111,038.50
  4. Step 4: Simplify right side
    447,997.15x = 74,616,437,382.58
  5. Step 5: Solve for x
    x = 74,616,437,382.58/447,997.15
  6. Step 6: Final answer
    x = 166,555.61

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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.