Home / 146,124.94-219,011.16-71,132.68

Finding the Fourth Proportional to 146,124.94, 219,011.16 and 71,132.68

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Solution

The fourth proportional to 146,124.94, 219,011.16 and 71,132.68 is: 106,613.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,124.94 : 219,011.16 = 71,132.68 : x
  2. Step 2: Convert to fraction form
    146,124.94/219,011.16 = 71,132.68/x
  3. Step 3: Cross multiply
    146,124.94x = 219,011.16 × 71,132.68
  4. Step 4: Simplify right side
    146,124.94x = 15,578,850,760.71
  5. Step 5: Solve for x
    x = 15,578,850,760.71/146,124.94
  6. Step 6: Final answer
    x = 106,613.22

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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.