Home / 316,256.54-436,439.31-173,017.58

Finding the Fourth Proportional to 316,256.54, 436,439.31 and 173,017.58

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Solution

The fourth proportional to 316,256.54, 436,439.31 and 173,017.58 is: 238,767.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,256.54 : 436,439.31 = 173,017.58 : x
  2. Step 2: Convert to fraction form
    316,256.54/436,439.31 = 173,017.58/x
  3. Step 3: Cross multiply
    316,256.54x = 436,439.31 × 173,017.58
  4. Step 4: Simplify right side
    316,256.54x = 75,511,673,233.07
  5. Step 5: Solve for x
    x = 75,511,673,233.07/316,256.54
  6. Step 6: Final answer
    x = 238,767.15

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1.5x scale

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.