Home / 104,860.08-157,158.84-82,585.50

Finding the Fourth Proportional to 104,860.08, 157,158.84 and 82,585.50

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Solution

The fourth proportional to 104,860.08, 157,158.84 and 82,585.50 is: 123,774.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,860.08 : 157,158.84 = 82,585.50 : x
  2. Step 2: Convert to fraction form
    104,860.08/157,158.84 = 82,585.50/x
  3. Step 3: Cross multiply
    104,860.08x = 157,158.84 × 82,585.50
  4. Step 4: Simplify right side
    104,860.08x = 12,979,041,380.82
  5. Step 5: Solve for x
    x = 12,979,041,380.82/104,860.08
  6. Step 6: Final answer
    x = 123,774.86

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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.