Home / 194,567.20-291,850.80-54,325.60

Finding the Fourth Proportional to 194,567.20, 291,850.80 and 54,325.60

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Solution

The fourth proportional to 194,567.20, 291,850.80 and 54,325.60 is: 81,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,567.20 : 291,850.80 = 54,325.60 : x
  2. Step 2: Convert to fraction form
    194,567.20/291,850.80 = 54,325.60/x
  3. Step 3: Cross multiply
    194,567.20x = 291,850.80 × 54,325.60
  4. Step 4: Simplify right side
    194,567.20x = 15,854,969,820.48
  5. Step 5: Solve for x
    x = 15,854,969,820.48/194,567.20
  6. Step 6: Final answer
    x = 81,488.40

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1.5x scale

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.