Home / 175,474.56-242,159.04-100,021.44

Finding the Fourth Proportional to 175,474.56, 242,159.04 and 100,021.44

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Solution

The fourth proportional to 175,474.56, 242,159.04 and 100,021.44 is: 138,031.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,474.56 : 242,159.04 = 100,021.44 : x
  2. Step 2: Convert to fraction form
    175,474.56/242,159.04 = 100,021.44/x
  3. Step 3: Cross multiply
    175,474.56x = 242,159.04 × 100,021.44
  4. Step 4: Simplify right side
    175,474.56x = 24,221,095,889.82
  5. Step 5: Solve for x
    x = 24,221,095,889.82/175,474.56
  6. Step 6: Final answer
    x = 138,031.95

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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.