Home / 143,184.54-214,573.69-105,448.66

Finding the Fourth Proportional to 143,184.54, 214,573.69 and 105,448.66

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Solution

The fourth proportional to 143,184.54, 214,573.69 and 105,448.66 is: 158,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,184.54 : 214,573.69 = 105,448.66 : x
  2. Step 2: Convert to fraction form
    143,184.54/214,573.69 = 105,448.66/x
  3. Step 3: Cross multiply
    143,184.54x = 214,573.69 × 105,448.66
  4. Step 4: Simplify right side
    143,184.54x = 22,626,508,081.76
  5. Step 5: Solve for x
    x = 22,626,508,081.76/143,184.54
  6. Step 6: Final answer
    x = 158,023.40

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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.