Home / 218,826.16-301,996.68-123,341.84

Finding the Fourth Proportional to 218,826.16, 301,996.68 and 123,341.84

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Solution

The fourth proportional to 218,826.16, 301,996.68 and 123,341.84 is: 170,221.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,826.16 : 301,996.68 = 123,341.84 : x
  2. Step 2: Convert to fraction form
    218,826.16/301,996.68 = 123,341.84/x
  3. Step 3: Cross multiply
    218,826.16x = 301,996.68 × 123,341.84
  4. Step 4: Simplify right side
    218,826.16x = 37,248,826,185.09
  5. Step 5: Solve for x
    x = 37,248,826,185.09/218,826.16
  6. Step 6: Final answer
    x = 170,221.08

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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.