Home / 193,431.26-266,866.71-126,402.14

Finding the Fourth Proportional to 193,431.26, 266,866.71 and 126,402.14

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Solution

The fourth proportional to 193,431.26, 266,866.71 and 126,402.14 is: 174,390.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,431.26 : 266,866.71 = 126,402.14 : x
  2. Step 2: Convert to fraction form
    193,431.26/266,866.71 = 126,402.14/x
  3. Step 3: Cross multiply
    193,431.26x = 266,866.71 × 126,402.14
  4. Step 4: Simplify right side
    193,431.26x = 33,732,523,238.76
  5. Step 5: Solve for x
    x = 33,732,523,238.76/193,431.26
  6. Step 6: Final answer
    x = 174,390.24

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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.