Home / 157,310.40-235,924.32-107,381.28

Finding the Fourth Proportional to 157,310.40, 235,924.32 and 107,381.28

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Solution

The fourth proportional to 157,310.40, 235,924.32 and 107,381.28 is: 161,043.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,310.40 : 235,924.32 = 107,381.28 : x
  2. Step 2: Convert to fraction form
    157,310.40/235,924.32 = 107,381.28/x
  3. Step 3: Cross multiply
    157,310.40x = 235,924.32 × 107,381.28
  4. Step 4: Simplify right side
    157,310.40x = 25,333,855,464.73
  5. Step 5: Solve for x
    x = 25,333,855,464.73/157,310.40
  6. Step 6: Final answer
    x = 161,043.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.