Home / 188,207.73-259,709.40-111,713.76

Finding the Fourth Proportional to 188,207.73, 259,709.40 and 111,713.76

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Solution

The fourth proportional to 188,207.73, 259,709.40 and 111,713.76 is: 154,154.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,207.73 : 259,709.40 = 111,713.76 : x
  2. Step 2: Convert to fraction form
    188,207.73/259,709.40 = 111,713.76/x
  3. Step 3: Cross multiply
    188,207.73x = 259,709.40 × 111,713.76
  4. Step 4: Simplify right side
    188,207.73x = 29,013,113,581.34
  5. Step 5: Solve for x
    x = 29,013,113,581.34/188,207.73
  6. Step 6: Final answer
    x = 154,154.74

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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.