Home / 143,091.12-214,588.08-49,575.04

Finding the Fourth Proportional to 143,091.12, 214,588.08 and 49,575.04

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Solution

The fourth proportional to 143,091.12, 214,588.08 and 49,575.04 is: 74,345.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,091.12 : 214,588.08 = 49,575.04 : x
  2. Step 2: Convert to fraction form
    143,091.12/214,588.08 = 49,575.04/x
  3. Step 3: Cross multiply
    143,091.12x = 214,588.08 × 49,575.04
  4. Step 4: Simplify right side
    143,091.12x = 10,638,212,649.52
  5. Step 5: Solve for x
    x = 10,638,212,649.52/143,091.12
  6. Step 6: Final answer
    x = 74,345.72

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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.