Home / 143,019.64-214,379.76-48,217.06

Finding the Fourth Proportional to 143,019.64, 214,379.76 and 48,217.06

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Solution

The fourth proportional to 143,019.64, 214,379.76 and 48,217.06 is: 72,275.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,019.64 : 214,379.76 = 48,217.06 : x
  2. Step 2: Convert to fraction form
    143,019.64/214,379.76 = 48,217.06/x
  3. Step 3: Cross multiply
    143,019.64x = 214,379.76 × 48,217.06
  4. Step 4: Simplify right side
    143,019.64x = 10,336,761,750.71
  5. Step 5: Solve for x
    x = 10,336,761,750.71/143,019.64
  6. Step 6: Final answer
    x = 72,275.12

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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.