Home / 154,322.10-231,505.32-47,714.36

Finding the Fourth Proportional to 154,322.10, 231,505.32 and 47,714.36

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Solution

The fourth proportional to 154,322.10, 231,505.32 and 47,714.36 is: 71,578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,322.10 : 231,505.32 = 47,714.36 : x
  2. Step 2: Convert to fraction form
    154,322.10/231,505.32 = 47,714.36/x
  3. Step 3: Cross multiply
    154,322.10x = 231,505.32 × 47,714.36
  4. Step 4: Simplify right side
    154,322.10x = 11,046,128,938.09
  5. Step 5: Solve for x
    x = 11,046,128,938.09/154,322.10
  6. Step 6: Final answer
    x = 71,578.40

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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.