Home / 109,625.30-164,427.18-74,313.46

Finding the Fourth Proportional to 109,625.30, 164,427.18 and 74,313.46

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Solution

The fourth proportional to 109,625.30, 164,427.18 and 74,313.46 is: 111,462.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,625.30 : 164,427.18 = 74,313.46 : x
  2. Step 2: Convert to fraction form
    109,625.30/164,427.18 = 74,313.46/x
  3. Step 3: Cross multiply
    109,625.30x = 164,427.18 × 74,313.46
  4. Step 4: Simplify right side
    109,625.30x = 12,219,152,663.84
  5. Step 5: Solve for x
    x = 12,219,152,663.84/109,625.30
  6. Step 6: Final answer
    x = 111,462.89

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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.