Home / 143,905.48-215,888.94-50,416.84

Finding the Fourth Proportional to 143,905.48, 215,888.94 and 50,416.84

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Solution

The fourth proportional to 143,905.48, 215,888.94 and 50,416.84 is: 75,636.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,905.48 : 215,888.94 = 50,416.84 : x
  2. Step 2: Convert to fraction form
    143,905.48/215,888.94 = 50,416.84/x
  3. Step 3: Cross multiply
    143,905.48x = 215,888.94 × 50,416.84
  4. Step 4: Simplify right side
    143,905.48x = 10,884,438,145.75
  5. Step 5: Solve for x
    x = 10,884,438,145.75/143,905.48
  6. Step 6: Final answer
    x = 75,636.02

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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.