Home / 174,903.30-262,052.55-81,216.90

Finding the Fourth Proportional to 174,903.30, 262,052.55 and 81,216.90

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Solution

The fourth proportional to 174,903.30, 262,052.55 and 81,216.90 is: 121,684.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,903.30 : 262,052.55 = 81,216.90 : x
  2. Step 2: Convert to fraction form
    174,903.30/262,052.55 = 81,216.90/x
  3. Step 3: Cross multiply
    174,903.30x = 262,052.55 × 81,216.90
  4. Step 4: Simplify right side
    174,903.30x = 21,283,095,748.10
  5. Step 5: Solve for x
    x = 21,283,095,748.10/174,903.30
  6. Step 6: Final answer
    x = 121,684.93

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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.