Home / 177,972.08-245,868.32-116,863.24

Finding the Fourth Proportional to 177,972.08, 245,868.32 and 116,863.24

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Solution

The fourth proportional to 177,972.08, 245,868.32 and 116,863.24 is: 161,446.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,972.08 : 245,868.32 = 116,863.24 : x
  2. Step 2: Convert to fraction form
    177,972.08/245,868.32 = 116,863.24/x
  3. Step 3: Cross multiply
    177,972.08x = 245,868.32 × 116,863.24
  4. Step 4: Simplify right side
    177,972.08x = 28,732,968,488.56
  5. Step 5: Solve for x
    x = 28,732,968,488.56/177,972.08
  6. Step 6: Final answer
    x = 161,446.49

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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.