Home / 146,070.14-219,129.42-51,275.72

Finding the Fourth Proportional to 146,070.14, 219,129.42 and 51,275.72

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Solution

The fourth proportional to 146,070.14, 219,129.42 and 51,275.72 is: 76,922.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,070.14 : 219,129.42 = 51,275.72 : x
  2. Step 2: Convert to fraction form
    146,070.14/219,129.42 = 51,275.72/x
  3. Step 3: Cross multiply
    146,070.14x = 219,129.42 × 51,275.72
  4. Step 4: Simplify right side
    146,070.14x = 11,236,018,783.68
  5. Step 5: Solve for x
    x = 11,236,018,783.68/146,070.14
  6. Step 6: Final answer
    x = 76,922.08

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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.