Home / 194,250.16-291,254.64-81,872.56

Finding the Fourth Proportional to 194,250.16, 291,254.64 and 81,872.56

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Solution

The fourth proportional to 194,250.16, 291,254.64 and 81,872.56 is: 122,758.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,250.16 : 291,254.64 = 81,872.56 : x
  2. Step 2: Convert to fraction form
    194,250.16/291,254.64 = 81,872.56/x
  3. Step 3: Cross multiply
    194,250.16x = 291,254.64 × 81,872.56
  4. Step 4: Simplify right side
    194,250.16x = 23,845,762,988.68
  5. Step 5: Solve for x
    x = 23,845,762,988.68/194,250.16
  6. Step 6: Final answer
    x = 122,758.01

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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.