Home / 236,145.28-354,270.54-86,382.25

Finding the Fourth Proportional to 236,145.28, 354,270.54 and 86,382.25

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Solution

The fourth proportional to 236,145.28, 354,270.54 and 86,382.25 is: 129,592.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,145.28 : 354,270.54 = 86,382.25 : x
  2. Step 2: Convert to fraction form
    236,145.28/354,270.54 = 86,382.25/x
  3. Step 3: Cross multiply
    236,145.28x = 354,270.54 × 86,382.25
  4. Step 4: Simplify right side
    236,145.28x = 30,602,687,784.94
  5. Step 5: Solve for x
    x = 30,602,687,784.94/236,145.28
  6. Step 6: Final answer
    x = 129,592.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.