Home / 119,338.36-164,682.51-65,620.18

Finding the Fourth Proportional to 119,338.36, 164,682.51 and 65,620.18

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Solution

The fourth proportional to 119,338.36, 164,682.51 and 65,620.18 is: 90,553.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,338.36 : 164,682.51 = 65,620.18 : x
  2. Step 2: Convert to fraction form
    119,338.36/164,682.51 = 65,620.18/x
  3. Step 3: Cross multiply
    119,338.36x = 164,682.51 × 65,620.18
  4. Step 4: Simplify right side
    119,338.36x = 10,806,495,949.05
  5. Step 5: Solve for x
    x = 10,806,495,949.05/119,338.36
  6. Step 6: Final answer
    x = 90,553.41

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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.