Home / 120,181.14-180,113.94-88,442.58

Finding the Fourth Proportional to 120,181.14, 180,113.94 and 88,442.58

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Solution

The fourth proportional to 120,181.14, 180,113.94 and 88,442.58 is: 132,547.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,181.14 : 180,113.94 = 88,442.58 : x
  2. Step 2: Convert to fraction form
    120,181.14/180,113.94 = 88,442.58/x
  3. Step 3: Cross multiply
    120,181.14x = 180,113.94 × 88,442.58
  4. Step 4: Simplify right side
    120,181.14x = 15,929,741,547.57
  5. Step 5: Solve for x
    x = 15,929,741,547.57/120,181.14
  6. Step 6: Final answer
    x = 132,547.77

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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.