Home / 226,688.46-312,829.61-124,713.68

Finding the Fourth Proportional to 226,688.46, 312,829.61 and 124,713.68

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Solution

The fourth proportional to 226,688.46, 312,829.61 and 124,713.68 is: 172,104.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,688.46 : 312,829.61 = 124,713.68 : x
  2. Step 2: Convert to fraction form
    226,688.46/312,829.61 = 124,713.68/x
  3. Step 3: Cross multiply
    226,688.46x = 312,829.61 × 124,713.68
  4. Step 4: Simplify right side
    226,688.46x = 39,014,129,688.35
  5. Step 5: Solve for x
    x = 39,014,129,688.35/226,688.46
  6. Step 6: Final answer
    x = 172,104.61

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1.5x scale

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.