Home / 229,548.52-316,775.76-126,185.12

Finding the Fourth Proportional to 229,548.52, 316,775.76 and 126,185.12

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Solution

The fourth proportional to 229,548.52, 316,775.76 and 126,185.12 is: 174,134.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,548.52 : 316,775.76 = 126,185.12 : x
  2. Step 2: Convert to fraction form
    229,548.52/316,775.76 = 126,185.12/x
  3. Step 3: Cross multiply
    229,548.52x = 316,775.76 × 126,185.12
  4. Step 4: Simplify right side
    229,548.52x = 39,972,387,288.69
  5. Step 5: Solve for x
    x = 39,972,387,288.69/229,548.52
  6. Step 6: Final answer
    x = 174,134.81

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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.