Home / 302,721.24-454,119.56-103,026.28

Finding the Fourth Proportional to 302,721.24, 454,119.56 and 103,026.28

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Solution

The fourth proportional to 302,721.24, 454,119.56 and 103,026.28 is: 154,552.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,721.24 : 454,119.56 = 103,026.28 : x
  2. Step 2: Convert to fraction form
    302,721.24/454,119.56 = 103,026.28/x
  3. Step 3: Cross multiply
    302,721.24x = 454,119.56 × 103,026.28
  4. Step 4: Simplify right side
    302,721.24x = 46,786,248,942.04
  5. Step 5: Solve for x
    x = 46,786,248,942.04/302,721.24
  6. Step 6: Final answer
    x = 154,552.25

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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.