Home / 229,647.17-316,912.67-127,682.05

Finding the Fourth Proportional to 229,647.17, 316,912.67 and 127,682.05

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Solution

The fourth proportional to 229,647.17, 316,912.67 and 127,682.05 is: 176,200.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,647.17 : 316,912.67 = 127,682.05 : x
  2. Step 2: Convert to fraction form
    229,647.17/316,912.67 = 127,682.05/x
  3. Step 3: Cross multiply
    229,647.17x = 316,912.67 × 127,682.05
  4. Step 4: Simplify right side
    229,647.17x = 40,464,057,945.88
  5. Step 5: Solve for x
    x = 40,464,057,945.88/229,647.17
  6. Step 6: Final answer
    x = 176,200.98

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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.