Home / 194,535.15-291,830.01-68,146.45

Finding the Fourth Proportional to 194,535.15, 291,830.01 and 68,146.45

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Solution

The fourth proportional to 194,535.15, 291,830.01 and 68,146.45 is: 102,229.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,535.15 : 291,830.01 = 68,146.45 : x
  2. Step 2: Convert to fraction form
    194,535.15/291,830.01 = 68,146.45/x
  3. Step 3: Cross multiply
    194,535.15x = 291,830.01 × 68,146.45
  4. Step 4: Simplify right side
    194,535.15x = 19,887,179,184.96
  5. Step 5: Solve for x
    x = 19,887,179,184.96/194,535.15
  6. Step 6: Final answer
    x = 102,229.23

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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.