Home / 173,131.68-238,895.28-109,556.40

Finding the Fourth Proportional to 173,131.68, 238,895.28 and 109,556.40

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Solution

The fourth proportional to 173,131.68, 238,895.28 and 109,556.40 is: 151,171.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,131.68 : 238,895.28 = 109,556.40 : x
  2. Step 2: Convert to fraction form
    173,131.68/238,895.28 = 109,556.40/x
  3. Step 3: Cross multiply
    173,131.68x = 238,895.28 × 109,556.40
  4. Step 4: Simplify right side
    173,131.68x = 26,172,506,853.79
  5. Step 5: Solve for x
    x = 26,172,506,853.79/173,131.68
  6. Step 6: Final answer
    x = 151,171.10

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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.