Home / 316,449.90-436,683.96-173,182.23

Finding the Fourth Proportional to 316,449.90, 436,683.96 and 173,182.23

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Solution

The fourth proportional to 316,449.90, 436,683.96 and 173,182.23 is: 238,982.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,449.90 : 436,683.96 = 173,182.23 : x
  2. Step 2: Convert to fraction form
    316,449.90/436,683.96 = 173,182.23/x
  3. Step 3: Cross multiply
    316,449.90x = 436,683.96 × 173,182.23
  4. Step 4: Simplify right side
    316,449.90x = 75,625,901,998.03
  5. Step 5: Solve for x
    x = 75,625,901,998.03/316,449.90
  6. Step 6: Final answer
    x = 238,982.23

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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.