Home / 173,256.32-259,705.28-66,611.20

Finding the Fourth Proportional to 173,256.32, 259,705.28 and 66,611.20

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Solution

The fourth proportional to 173,256.32, 259,705.28 and 66,611.20 is: 99,847.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,256.32 : 259,705.28 = 66,611.20 : x
  2. Step 2: Convert to fraction form
    173,256.32/259,705.28 = 66,611.20/x
  3. Step 3: Cross multiply
    173,256.32x = 259,705.28 × 66,611.20
  4. Step 4: Simplify right side
    173,256.32x = 17,299,280,347.14
  5. Step 5: Solve for x
    x = 17,299,280,347.14/173,256.32
  6. Step 6: Final answer
    x = 99,847.90

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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.