Home / 135,582.91-203,109.64-64,404.26

Finding the Fourth Proportional to 135,582.91, 203,109.64 and 64,404.26

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Solution

The fourth proportional to 135,582.91, 203,109.64 and 64,404.26 is: 96,480.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,582.91 : 203,109.64 = 64,404.26 : x
  2. Step 2: Convert to fraction form
    135,582.91/203,109.64 = 64,404.26/x
  3. Step 3: Cross multiply
    135,582.91x = 203,109.64 × 64,404.26
  4. Step 4: Simplify right side
    135,582.91x = 13,081,124,886.51
  5. Step 5: Solve for x
    x = 13,081,124,886.51/135,582.91
  6. Step 6: Final answer
    x = 96,480.63

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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.