Home / 229,144.39-316,218.83-127,171.06

Finding the Fourth Proportional to 229,144.39, 316,218.83 and 127,171.06

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Solution

The fourth proportional to 229,144.39, 316,218.83 and 127,171.06 is: 175,495.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,144.39 : 316,218.83 = 127,171.06 : x
  2. Step 2: Convert to fraction form
    229,144.39/316,218.83 = 127,171.06/x
  3. Step 3: Cross multiply
    229,144.39x = 316,218.83 × 127,171.06
  4. Step 4: Simplify right side
    229,144.39x = 40,213,882,376.66
  5. Step 5: Solve for x
    x = 40,213,882,376.66/229,144.39
  6. Step 6: Final answer
    x = 175,495.82

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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.