Home / 236,152.36-354,230.13-86,331.01

Finding the Fourth Proportional to 236,152.36, 354,230.13 and 86,331.01

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Solution

The fourth proportional to 236,152.36, 354,230.13 and 86,331.01 is: 129,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,152.36 : 354,230.13 = 86,331.01 : x
  2. Step 2: Convert to fraction form
    236,152.36/354,230.13 = 86,331.01/x
  3. Step 3: Cross multiply
    236,152.36x = 354,230.13 × 86,331.01
  4. Step 4: Simplify right side
    236,152.36x = 30,581,045,996.73
  5. Step 5: Solve for x
    x = 30,581,045,996.73/236,152.36
  6. Step 6: Final answer
    x = 129,497.10

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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.