Home / 236,225.58-354,234.38-86,426.97

Finding the Fourth Proportional to 236,225.58, 354,234.38 and 86,426.97

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Solution

The fourth proportional to 236,225.58, 354,234.38 and 86,426.97 is: 129,602.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,225.58 : 354,234.38 = 86,426.97 : x
  2. Step 2: Convert to fraction form
    236,225.58/354,234.38 = 86,426.97/x
  3. Step 3: Cross multiply
    236,225.58x = 354,234.38 × 86,426.97
  4. Step 4: Simplify right side
    236,225.58x = 30,615,403,701.09
  5. Step 5: Solve for x
    x = 30,615,403,701.09/236,225.58
  6. Step 6: Final answer
    x = 129,602.41

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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.