Home / 157,661.03-217,577.31-89,676.26

Finding the Fourth Proportional to 157,661.03, 217,577.31 and 89,676.26

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Solution

The fourth proportional to 157,661.03, 217,577.31 and 89,676.26 is: 123,756.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,661.03 : 217,577.31 = 89,676.26 : x
  2. Step 2: Convert to fraction form
    157,661.03/217,577.31 = 89,676.26/x
  3. Step 3: Cross multiply
    157,661.03x = 217,577.31 × 89,676.26
  4. Step 4: Simplify right side
    157,661.03x = 19,511,517,885.39
  5. Step 5: Solve for x
    x = 19,511,517,885.39/157,661.03
  6. Step 6: Final answer
    x = 123,756.13

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1.5x scale

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.