Home / 114,650.21-158,212-63,666.18

Finding the Fourth Proportional to 114,650.21, 158,212 and 63,666.18

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Solution

The fourth proportional to 114,650.21, 158,212 and 63,666.18 is: 87,856.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,650.21 : 158,212 = 63,666.18 : x
  2. Step 2: Convert to fraction form
    114,650.21/158,212 = 63,666.18/x
  3. Step 3: Cross multiply
    114,650.21x = 158,212 × 63,666.18
  4. Step 4: Simplify right side
    114,650.21x = 10,072,753,670.16
  5. Step 5: Solve for x
    x = 10,072,753,670.16/114,650.21
  6. Step 6: Final answer
    x = 87,856.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.