Home / 215,774.04-323,649.26-66,014.32

Finding the Fourth Proportional to 215,774.04, 323,649.26 and 66,014.32

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Solution

The fourth proportional to 215,774.04, 323,649.26 and 66,014.32 is: 99,017.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,774.04 : 323,649.26 = 66,014.32 : x
  2. Step 2: Convert to fraction form
    215,774.04/323,649.26 = 66,014.32/x
  3. Step 3: Cross multiply
    215,774.04x = 323,649.26 × 66,014.32
  4. Step 4: Simplify right side
    215,774.04x = 21,365,485,173.32
  5. Step 5: Solve for x
    x = 21,365,485,173.32/215,774.04
  6. Step 6: Final answer
    x = 99,017.87

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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.