Home / 163,501.53-225,633.60-98,972.25

Finding the Fourth Proportional to 163,501.53, 225,633.60 and 98,972.25

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Solution

The fourth proportional to 163,501.53, 225,633.60 and 98,972.25 is: 136,582.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,501.53 : 225,633.60 = 98,972.25 : x
  2. Step 2: Convert to fraction form
    163,501.53/225,633.60 = 98,972.25/x
  3. Step 3: Cross multiply
    163,501.53x = 225,633.60 × 98,972.25
  4. Step 4: Simplify right side
    163,501.53x = 22,331,465,067.60
  5. Step 5: Solve for x
    x = 22,331,465,067.60/163,501.53
  6. Step 6: Final answer
    x = 136,582.61

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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.