Home / 120,468.20-180,875.10-94,202.60

Finding the Fourth Proportional to 120,468.20, 180,875.10 and 94,202.60

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Solution

The fourth proportional to 120,468.20, 180,875.10 and 94,202.60 is: 141,439.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,468.20 : 180,875.10 = 94,202.60 : x
  2. Step 2: Convert to fraction form
    120,468.20/180,875.10 = 94,202.60/x
  3. Step 3: Cross multiply
    120,468.20x = 180,875.10 × 94,202.60
  4. Step 4: Simplify right side
    120,468.20x = 17,038,904,695.26
  5. Step 5: Solve for x
    x = 17,038,904,695.26/120,468.20
  6. Step 6: Final answer
    x = 141,439.02

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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.