Home / 316,362.03-436,579.64-173,122.10

Finding the Fourth Proportional to 316,362.03, 436,579.64 and 173,122.10

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Solution

The fourth proportional to 316,362.03, 436,579.64 and 173,122.10 is: 238,908.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,362.03 : 436,579.64 = 173,122.10 : x
  2. Step 2: Convert to fraction form
    316,362.03/436,579.64 = 173,122.10/x
  3. Step 3: Cross multiply
    316,362.03x = 436,579.64 × 173,122.10
  4. Step 4: Simplify right side
    316,362.03x = 75,581,581,045.54
  5. Step 5: Solve for x
    x = 75,581,581,045.54/316,362.03
  6. Step 6: Final answer
    x = 238,908.51

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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.