Home / 243,725.76-336,388.04-163,293.53

Finding the Fourth Proportional to 243,725.76, 336,388.04 and 163,293.53

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Solution

The fourth proportional to 243,725.76, 336,388.04 and 163,293.53 is: 225,376.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,725.76 : 336,388.04 = 163,293.53 : x
  2. Step 2: Convert to fraction form
    243,725.76/336,388.04 = 163,293.53/x
  3. Step 3: Cross multiply
    243,725.76x = 336,388.04 × 163,293.53
  4. Step 4: Simplify right side
    243,725.76x = 54,929,989,227.67
  5. Step 5: Solve for x
    x = 54,929,989,227.67/243,725.76
  6. Step 6: Final answer
    x = 225,376.21

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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.