Home / 193,066.12-289,555.44-68,407.12

Finding the Fourth Proportional to 193,066.12, 289,555.44 and 68,407.12

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Solution

The fourth proportional to 193,066.12, 289,555.44 and 68,407.12 is: 102,595.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,066.12 : 289,555.44 = 68,407.12 : x
  2. Step 2: Convert to fraction form
    193,066.12/289,555.44 = 68,407.12/x
  3. Step 3: Cross multiply
    193,066.12x = 289,555.44 × 68,407.12
  4. Step 4: Simplify right side
    193,066.12x = 19,807,653,730.73
  5. Step 5: Solve for x
    x = 19,807,653,730.73/193,066.12
  6. Step 6: Final answer
    x = 102,595.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.