Home / 236,147.54-354,273.92-86,384.51

Finding the Fourth Proportional to 236,147.54, 354,273.92 and 86,384.51

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Solution

The fourth proportional to 236,147.54, 354,273.92 and 86,384.51 is: 129,596.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,147.54 : 354,273.92 = 86,384.51 : x
  2. Step 2: Convert to fraction form
    236,147.54/354,273.92 = 86,384.51/x
  3. Step 3: Cross multiply
    236,147.54x = 354,273.92 × 86,384.51
  4. Step 4: Simplify right side
    236,147.54x = 30,603,778,434.16
  5. Step 5: Solve for x
    x = 30,603,778,434.16/236,147.54
  6. Step 6: Final answer
    x = 129,596.01

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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.