Home / 177,721.92-245,017.44-172,218.24

Finding the Fourth Proportional to 177,721.92, 245,017.44 and 172,218.24

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Solution

The fourth proportional to 177,721.92, 245,017.44 and 172,218.24 is: 237,429.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,721.92 : 245,017.44 = 172,218.24 : x
  2. Step 2: Convert to fraction form
    177,721.92/245,017.44 = 172,218.24/x
  3. Step 3: Cross multiply
    177,721.92x = 245,017.44 × 172,218.24
  4. Step 4: Simplify right side
    177,721.92x = 42,196,472,286.11
  5. Step 5: Solve for x
    x = 42,196,472,286.11/177,721.92
  6. Step 6: Final answer
    x = 237,429.76

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1.5x scale

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.