Home / 104,655.06-157,299.77-69,237.20

Finding the Fourth Proportional to 104,655.06, 157,299.77 and 69,237.20

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Solution

The fourth proportional to 104,655.06, 157,299.77 and 69,237.20 is: 104,065.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,655.06 : 157,299.77 = 69,237.20 : x
  2. Step 2: Convert to fraction form
    104,655.06/157,299.77 = 69,237.20/x
  3. Step 3: Cross multiply
    104,655.06x = 157,299.77 × 69,237.20
  4. Step 4: Simplify right side
    104,655.06x = 10,890,996,201.79
  5. Step 5: Solve for x
    x = 10,890,996,201.79/104,655.06
  6. Step 6: Final answer
    x = 104,065.64

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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.