Home / 119,338.40-164,681.34-65,625.68

Finding the Fourth Proportional to 119,338.40, 164,681.34 and 65,625.68

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Solution

The fourth proportional to 119,338.40, 164,681.34 and 65,625.68 is: 90,560.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,338.40 : 164,681.34 = 65,625.68 : x
  2. Step 2: Convert to fraction form
    119,338.40/164,681.34 = 65,625.68/x
  3. Step 3: Cross multiply
    119,338.40x = 164,681.34 × 65,625.68
  4. Step 4: Simplify right side
    119,338.40x = 10,807,324,920.81
  5. Step 5: Solve for x
    x = 10,807,324,920.81/119,338.40
  6. Step 6: Final answer
    x = 90,560.33

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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.