Home / 119,322.36-164,660.43-65,604.18

Finding the Fourth Proportional to 119,322.36, 164,660.43 and 65,604.18

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Solution

The fourth proportional to 119,322.36, 164,660.43 and 65,604.18 is: 90,531.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,322.36 : 164,660.43 = 65,604.18 : x
  2. Step 2: Convert to fraction form
    119,322.36/164,660.43 = 65,604.18/x
  3. Step 3: Cross multiply
    119,322.36x = 164,660.43 × 65,604.18
  4. Step 4: Simplify right side
    119,322.36x = 10,802,412,488.60
  5. Step 5: Solve for x
    x = 10,802,412,488.60/119,322.36
  6. Step 6: Final answer
    x = 90,531.33

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1.5x scale

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.