Home / 119,577.30-165,028.32-89,310.08

Finding the Fourth Proportional to 119,577.30, 165,028.32 and 89,310.08

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Solution

The fourth proportional to 119,577.30, 165,028.32 and 89,310.08 is: 123,256.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,577.30 : 165,028.32 = 89,310.08 : x
  2. Step 2: Convert to fraction form
    119,577.30/165,028.32 = 89,310.08/x
  3. Step 3: Cross multiply
    119,577.30x = 165,028.32 × 89,310.08
  4. Step 4: Simplify right side
    119,577.30x = 14,738,691,636.32
  5. Step 5: Solve for x
    x = 14,738,691,636.32/119,577.30
  6. Step 6: Final answer
    x = 123,256.60

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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.