Home / 157,579.21-217,487.51-93,921.04

Finding the Fourth Proportional to 157,579.21, 217,487.51 and 93,921.04

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Solution

The fourth proportional to 157,579.21, 217,487.51 and 93,921.04 is: 129,627.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,579.21 : 217,487.51 = 93,921.04 : x
  2. Step 2: Convert to fraction form
    157,579.21/217,487.51 = 93,921.04/x
  3. Step 3: Cross multiply
    157,579.21x = 217,487.51 × 93,921.04
  4. Step 4: Simplify right side
    157,579.21x = 20,426,653,126.21
  5. Step 5: Solve for x
    x = 20,426,653,126.21/157,579.21
  6. Step 6: Final answer
    x = 129,627.84

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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.