Home / 124,847.60-187,271.40-109,295.60

Finding the Fourth Proportional to 124,847.60, 187,271.40 and 109,295.60

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Solution

The fourth proportional to 124,847.60, 187,271.40 and 109,295.60 is: 163,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,847.60 : 187,271.40 = 109,295.60 : x
  2. Step 2: Convert to fraction form
    124,847.60/187,271.40 = 109,295.60/x
  3. Step 3: Cross multiply
    124,847.60x = 187,271.40 × 109,295.60
  4. Step 4: Simplify right side
    124,847.60x = 20,467,940,025.84
  5. Step 5: Solve for x
    x = 20,467,940,025.84/124,847.60
  6. Step 6: Final answer
    x = 163,943.40

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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.