Home / 119,198.04-164,496.08-65,486.40

Finding the Fourth Proportional to 119,198.04, 164,496.08 and 65,486.40

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Solution

The fourth proportional to 119,198.04, 164,496.08 and 65,486.40 is: 90,372.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,198.04 : 164,496.08 = 65,486.40 : x
  2. Step 2: Convert to fraction form
    119,198.04/164,496.08 = 65,486.40/x
  3. Step 3: Cross multiply
    119,198.04x = 164,496.08 × 65,486.40
  4. Step 4: Simplify right side
    119,198.04x = 10,772,256,093.31
  5. Step 5: Solve for x
    x = 10,772,256,093.31/119,198.04
  6. Step 6: Final answer
    x = 90,372.76

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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.