Home / 157,482.48-217,414.26-109,154.64

Finding the Fourth Proportional to 157,482.48, 217,414.26 and 109,154.64

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Solution

The fourth proportional to 157,482.48, 217,414.26 and 109,154.64 is: 150,694.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,482.48 : 217,414.26 = 109,154.64 : x
  2. Step 2: Convert to fraction form
    157,482.48/217,414.26 = 109,154.64/x
  3. Step 3: Cross multiply
    157,482.48x = 217,414.26 × 109,154.64
  4. Step 4: Simplify right side
    157,482.48x = 23,731,775,281.17
  5. Step 5: Solve for x
    x = 23,731,775,281.17/157,482.48
  6. Step 6: Final answer
    x = 150,694.70

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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.