Home / 175,474.04-242,147.76-100,007.96

Finding the Fourth Proportional to 175,474.04, 242,147.76 and 100,007.96

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Solution

The fourth proportional to 175,474.04, 242,147.76 and 100,007.96 is: 138,007.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,474.04 : 242,147.76 = 100,007.96 : x
  2. Step 2: Convert to fraction form
    175,474.04/242,147.76 = 100,007.96/x
  3. Step 3: Cross multiply
    175,474.04x = 242,147.76 × 100,007.96
  4. Step 4: Simplify right side
    175,474.04x = 24,216,703,496.17
  5. Step 5: Solve for x
    x = 24,216,703,496.17/175,474.04
  6. Step 6: Final answer
    x = 138,007.33

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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.