Home / 104,855.10-157,151.32-82,580.50

Finding the Fourth Proportional to 104,855.10, 157,151.32 and 82,580.50

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Solution

The fourth proportional to 104,855.10, 157,151.32 and 82,580.50 is: 123,767.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,855.10 : 157,151.32 = 82,580.50 : x
  2. Step 2: Convert to fraction form
    104,855.10/157,151.32 = 82,580.50/x
  3. Step 3: Cross multiply
    104,855.10x = 157,151.32 × 82,580.50
  4. Step 4: Simplify right side
    104,855.10x = 12,977,634,581.26
  5. Step 5: Solve for x
    x = 12,977,634,581.26/104,855.10
  6. Step 6: Final answer
    x = 123,767.32

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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.