Home / 253,845.28-350,308.56-140,669.92

Finding the Fourth Proportional to 253,845.28, 350,308.56 and 140,669.92

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Solution

The fourth proportional to 253,845.28, 350,308.56 and 140,669.92 is: 194,125.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,845.28 : 350,308.56 = 140,669.92 : x
  2. Step 2: Convert to fraction form
    253,845.28/350,308.56 = 140,669.92/x
  3. Step 3: Cross multiply
    253,845.28x = 350,308.56 × 140,669.92
  4. Step 4: Simplify right side
    253,845.28x = 49,277,877,110.52
  5. Step 5: Solve for x
    x = 49,277,877,110.52/253,845.28
  6. Step 6: Final answer
    x = 194,125.64

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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.