Home / 193,145.40-289,718.10-179,148.60

Finding the Fourth Proportional to 193,145.40, 289,718.10 and 179,148.60

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Solution

The fourth proportional to 193,145.40, 289,718.10 and 179,148.60 is: 268,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,145.40 : 289,718.10 = 179,148.60 : x
  2. Step 2: Convert to fraction form
    193,145.40/289,718.10 = 179,148.60/x
  3. Step 3: Cross multiply
    193,145.40x = 289,718.10 × 179,148.60
  4. Step 4: Simplify right side
    193,145.40x = 51,902,592,009.66
  5. Step 5: Solve for x
    x = 51,902,592,009.66/193,145.40
  6. Step 6: Final answer
    x = 268,722.90

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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.