Home / 302,864.82-417,938.49-175,581.78

Finding the Fourth Proportional to 302,864.82, 417,938.49 and 175,581.78

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Solution

The fourth proportional to 302,864.82, 417,938.49 and 175,581.78 is: 242,294.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,864.82 : 417,938.49 = 175,581.78 : x
  2. Step 2: Convert to fraction form
    302,864.82/417,938.49 = 175,581.78/x
  3. Step 3: Cross multiply
    302,864.82x = 417,938.49 × 175,581.78
  4. Step 4: Simplify right side
    302,864.82x = 73,382,384,004.71
  5. Step 5: Solve for x
    x = 73,382,384,004.71/302,864.82
  6. Step 6: Final answer
    x = 242,294.18

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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.