Home / 119,278.40-164,605.14-65,564.33

Finding the Fourth Proportional to 119,278.40, 164,605.14 and 65,564.33

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Solution

The fourth proportional to 119,278.40, 164,605.14 and 65,564.33 is: 90,479.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,278.40 : 164,605.14 = 65,564.33 : x
  2. Step 2: Convert to fraction form
    119,278.40/164,605.14 = 65,564.33/x
  3. Step 3: Cross multiply
    119,278.40x = 164,605.14 × 65,564.33
  4. Step 4: Simplify right side
    119,278.40x = 10,792,224,895.63
  5. Step 5: Solve for x
    x = 10,792,224,895.63/119,278.40
  6. Step 6: Final answer
    x = 90,479.29

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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.