Home / 263,607.06-363,784.51-161,688.84

Finding the Fourth Proportional to 263,607.06, 363,784.51 and 161,688.84

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Solution

The fourth proportional to 263,607.06, 363,784.51 and 161,688.84 is: 223,134.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,607.06 : 363,784.51 = 161,688.84 : x
  2. Step 2: Convert to fraction form
    263,607.06/363,784.51 = 161,688.84/x
  3. Step 3: Cross multiply
    263,607.06x = 363,784.51 × 161,688.84
  4. Step 4: Simplify right side
    263,607.06x = 58,819,895,431.87
  5. Step 5: Solve for x
    x = 58,819,895,431.87/263,607.06
  6. Step 6: Final answer
    x = 223,134.75

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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.