Home / 119,345.04-164,692.98-65,635.56

Finding the Fourth Proportional to 119,345.04, 164,692.98 and 65,635.56

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Solution

The fourth proportional to 119,345.04, 164,692.98 and 65,635.56 is: 90,575.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,345.04 : 164,692.98 = 65,635.56 : x
  2. Step 2: Convert to fraction form
    119,345.04/164,692.98 = 65,635.56/x
  3. Step 3: Cross multiply
    119,345.04x = 164,692.98 × 65,635.56
  4. Step 4: Simplify right side
    119,345.04x = 10,809,715,970.37
  5. Step 5: Solve for x
    x = 10,809,715,970.37/119,345.04
  6. Step 6: Final answer
    x = 90,575.33

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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.