Home / 140,322.35-193,417.36-109,641.80

Finding the Fourth Proportional to 140,322.35, 193,417.36 and 109,641.80

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Solution

The fourth proportional to 140,322.35, 193,417.36 and 109,641.80 is: 151,127.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,322.35 : 193,417.36 = 109,641.80 : x
  2. Step 2: Convert to fraction form
    140,322.35/193,417.36 = 109,641.80/x
  3. Step 3: Cross multiply
    140,322.35x = 193,417.36 × 109,641.80
  4. Step 4: Simplify right side
    140,322.35x = 21,206,627,556.90
  5. Step 5: Solve for x
    x = 21,206,627,556.90/140,322.35
  6. Step 6: Final answer
    x = 151,127.94

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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.