Home / 164,731.23-247,115-52,385.17

Finding the Fourth Proportional to 164,731.23, 247,115 and 52,385.17

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Solution

The fourth proportional to 164,731.23, 247,115 and 52,385.17 is: 78,583.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,731.23 : 247,115 = 52,385.17 : x
  2. Step 2: Convert to fraction form
    164,731.23/247,115 = 52,385.17/x
  3. Step 3: Cross multiply
    164,731.23x = 247,115 × 52,385.17
  4. Step 4: Simplify right side
    164,731.23x = 12,945,161,284.55
  5. Step 5: Solve for x
    x = 12,945,161,284.55/164,731.23
  6. Step 6: Final answer
    x = 78,583.53

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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.