Home / 302,921.88-418,030.83-165,100.58

Finding the Fourth Proportional to 302,921.88, 418,030.83 and 165,100.58

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Solution

The fourth proportional to 302,921.88, 418,030.83 and 165,100.58 is: 227,838.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,921.88 : 418,030.83 = 165,100.58 : x
  2. Step 2: Convert to fraction form
    302,921.88/418,030.83 = 165,100.58/x
  3. Step 3: Cross multiply
    302,921.88x = 418,030.83 × 165,100.58
  4. Step 4: Simplify right side
    302,921.88x = 69,017,130,400.73
  5. Step 5: Solve for x
    x = 69,017,130,400.73/302,921.88
  6. Step 6: Final answer
    x = 227,838.05

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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.