Home / 120,583.74-166,415.67-70,285.98

Finding the Fourth Proportional to 120,583.74, 166,415.67 and 70,285.98

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Solution

The fourth proportional to 120,583.74, 166,415.67 and 70,285.98 is: 97,000.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,583.74 : 166,415.67 = 70,285.98 : x
  2. Step 2: Convert to fraction form
    120,583.74/166,415.67 = 70,285.98/x
  3. Step 3: Cross multiply
    120,583.74x = 166,415.67 × 70,285.98
  4. Step 4: Simplify right side
    120,583.74x = 11,696,688,453.31
  5. Step 5: Solve for x
    x = 11,696,688,453.31/120,583.74
  6. Step 6: Final answer
    x = 97,000.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.