Home / 173,405.10-260,107.65-89,424.30

Finding the Fourth Proportional to 173,405.10, 260,107.65 and 89,424.30

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Solution

The fourth proportional to 173,405.10, 260,107.65 and 89,424.30 is: 134,136.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,405.10 : 260,107.65 = 89,424.30 : x
  2. Step 2: Convert to fraction form
    173,405.10/260,107.65 = 89,424.30/x
  3. Step 3: Cross multiply
    173,405.10x = 260,107.65 × 89,424.30
  4. Step 4: Simplify right side
    173,405.10x = 23,259,944,525.90
  5. Step 5: Solve for x
    x = 23,259,944,525.90/173,405.10
  6. Step 6: Final answer
    x = 134,136.45

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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.