Home / 174,712.58-262,127.20-69,503.30

Finding the Fourth Proportional to 174,712.58, 262,127.20 and 69,503.30

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Solution

The fourth proportional to 174,712.58, 262,127.20 and 69,503.30 is: 104,278.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,712.58 : 262,127.20 = 69,503.30 : x
  2. Step 2: Convert to fraction form
    174,712.58/262,127.20 = 69,503.30/x
  3. Step 3: Cross multiply
    174,712.58x = 262,127.20 × 69,503.30
  4. Step 4: Simplify right side
    174,712.58x = 18,218,705,419.76
  5. Step 5: Solve for x
    x = 18,218,705,419.76/174,712.58
  6. Step 6: Final answer
    x = 104,278.15

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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.