Home / 174,731.21-261,712.64-144,401.72

Finding the Fourth Proportional to 174,731.21, 261,712.64 and 144,401.72

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Solution

The fourth proportional to 174,731.21, 261,712.64 and 144,401.72 is: 216,285.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,731.21 : 261,712.64 = 144,401.72 : x
  2. Step 2: Convert to fraction form
    174,731.21/261,712.64 = 144,401.72/x
  3. Step 3: Cross multiply
    174,731.21x = 261,712.64 × 144,401.72
  4. Step 4: Simplify right side
    174,731.21x = 37,791,754,414.18
  5. Step 5: Solve for x
    x = 37,791,754,414.18/174,731.21
  6. Step 6: Final answer
    x = 216,285.08

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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.