Home / 119,983.68-165,483-111,935.52

Finding the Fourth Proportional to 119,983.68, 165,483 and 111,935.52

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Solution

The fourth proportional to 119,983.68, 165,483 and 111,935.52 is: 154,382.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,983.68 : 165,483 = 111,935.52 : x
  2. Step 2: Convert to fraction form
    119,983.68/165,483 = 111,935.52/x
  3. Step 3: Cross multiply
    119,983.68x = 165,483 × 111,935.52
  4. Step 4: Simplify right side
    119,983.68x = 18,523,425,656.16
  5. Step 5: Solve for x
    x = 18,523,425,656.16/119,983.68
  6. Step 6: Final answer
    x = 154,382.88

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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.