Home / 236,124.12-354,092.20-86,330.28

Finding the Fourth Proportional to 236,124.12, 354,092.20 and 86,330.28

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Solution

The fourth proportional to 236,124.12, 354,092.20 and 86,330.28 is: 129,461.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,124.12 : 354,092.20 = 86,330.28 : x
  2. Step 2: Convert to fraction form
    236,124.12/354,092.20 = 86,330.28/x
  3. Step 3: Cross multiply
    236,124.12x = 354,092.20 × 86,330.28
  4. Step 4: Simplify right side
    236,124.12x = 30,568,878,771.82
  5. Step 5: Solve for x
    x = 30,568,878,771.82/236,124.12
  6. Step 6: Final answer
    x = 129,461.06

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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.