Home / 194,631.60-291,601.80-120,673.20

Finding the Fourth Proportional to 194,631.60, 291,601.80 and 120,673.20

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Solution

The fourth proportional to 194,631.60, 291,601.80 and 120,673.20 is: 180,795.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,631.60 : 291,601.80 = 120,673.20 : x
  2. Step 2: Convert to fraction form
    194,631.60/291,601.80 = 120,673.20/x
  3. Step 3: Cross multiply
    194,631.60x = 291,601.80 × 120,673.20
  4. Step 4: Simplify right side
    194,631.60x = 35,188,522,331.76
  5. Step 5: Solve for x
    x = 35,188,522,331.76/194,631.60
  6. Step 6: Final answer
    x = 180,795.53

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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.