Home / 353,186.19-487,393.40-192,041.28

Finding the Fourth Proportional to 353,186.19, 487,393.40 and 192,041.28

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Solution

The fourth proportional to 353,186.19, 487,393.40 and 192,041.28 is: 265,015.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,186.19 : 487,393.40 = 192,041.28 : x
  2. Step 2: Convert to fraction form
    353,186.19/487,393.40 = 192,041.28/x
  3. Step 3: Cross multiply
    353,186.19x = 487,393.40 × 192,041.28
  4. Step 4: Simplify right side
    353,186.19x = 93,599,652,879.66
  5. Step 5: Solve for x
    x = 93,599,652,879.66/353,186.19
  6. Step 6: Final answer
    x = 265,015.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.