Home / 229,046.68-316,086.32-127,078.83

Finding the Fourth Proportional to 229,046.68, 316,086.32 and 127,078.83

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Solution

The fourth proportional to 229,046.68, 316,086.32 and 127,078.83 is: 175,369.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,046.68 : 316,086.32 = 127,078.83 : x
  2. Step 2: Convert to fraction form
    229,046.68/316,086.32 = 127,078.83/x
  3. Step 3: Cross multiply
    229,046.68x = 316,086.32 × 127,078.83
  4. Step 4: Simplify right side
    229,046.68x = 40,167,880,042.30
  5. Step 5: Solve for x
    x = 40,167,880,042.30/229,046.68
  6. Step 6: Final answer
    x = 175,369.84

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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.