Home / 395,093.19-592,579.65-128,853.28

Finding the Fourth Proportional to 395,093.19, 592,579.65 and 128,853.28

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Solution

The fourth proportional to 395,093.19, 592,579.65 and 128,853.28 is: 193,260.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,093.19 : 592,579.65 = 128,853.28 : x
  2. Step 2: Convert to fraction form
    395,093.19/592,579.65 = 128,853.28/x
  3. Step 3: Cross multiply
    395,093.19x = 592,579.65 × 128,853.28
  4. Step 4: Simplify right side
    395,093.19x = 76,355,832,062.88
  5. Step 5: Solve for x
    x = 76,355,832,062.88/395,093.19
  6. Step 6: Final answer
    x = 193,260.31

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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.