Home / 389,331.60-583,997.40-167,715.60

Finding the Fourth Proportional to 389,331.60, 583,997.40 and 167,715.60

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Solution

The fourth proportional to 389,331.60, 583,997.40 and 167,715.60 is: 251,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,331.60 : 583,997.40 = 167,715.60 : x
  2. Step 2: Convert to fraction form
    389,331.60/583,997.40 = 167,715.60/x
  3. Step 3: Cross multiply
    389,331.60x = 583,997.40 × 167,715.60
  4. Step 4: Simplify right side
    389,331.60x = 97,945,474,339.44
  5. Step 5: Solve for x
    x = 97,945,474,339.44/389,331.60
  6. Step 6: Final answer
    x = 251,573.40

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Similar ratio
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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.