Home / 316,174.48-436,068.84-268,585.36

Finding the Fourth Proportional to 316,174.48, 436,068.84 and 268,585.36

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Solution

The fourth proportional to 316,174.48, 436,068.84 and 268,585.36 is: 370,433.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,174.48 : 436,068.84 = 268,585.36 : x
  2. Step 2: Convert to fraction form
    316,174.48/436,068.84 = 268,585.36/x
  3. Step 3: Cross multiply
    316,174.48x = 436,068.84 × 268,585.36
  4. Step 4: Simplify right side
    316,174.48x = 117,121,706,376.18
  5. Step 5: Solve for x
    x = 117,121,706,376.18/316,174.48
  6. Step 6: Final answer
    x = 370,433.78

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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.