Home / 119,513.68-164,928.49-65,799.75

Finding the Fourth Proportional to 119,513.68, 164,928.49 and 65,799.75

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Solution

The fourth proportional to 119,513.68, 164,928.49 and 65,799.75 is: 90,803.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,513.68 : 164,928.49 = 65,799.75 : x
  2. Step 2: Convert to fraction form
    119,513.68/164,928.49 = 65,799.75/x
  3. Step 3: Cross multiply
    119,513.68x = 164,928.49 × 65,799.75
  4. Step 4: Simplify right side
    119,513.68x = 10,852,253,409.88
  5. Step 5: Solve for x
    x = 10,852,253,409.88/119,513.68
  6. Step 6: Final answer
    x = 90,803.44

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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.