Home / 120,308.16-180,461.42-94,035

Finding the Fourth Proportional to 120,308.16, 180,461.42 and 94,035

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Solution

The fourth proportional to 120,308.16, 180,461.42 and 94,035 is: 141,051.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,308.16 : 180,461.42 = 94,035 : x
  2. Step 2: Convert to fraction form
    120,308.16/180,461.42 = 94,035/x
  3. Step 3: Cross multiply
    120,308.16x = 180,461.42 × 94,035
  4. Step 4: Simplify right side
    120,308.16x = 16,969,689,629.70
  5. Step 5: Solve for x
    x = 16,969,689,629.70/120,308.16
  6. Step 6: Final answer
    x = 141,051.86

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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.