Home / 189,463.46-261,452.96-112,943.07

Finding the Fourth Proportional to 189,463.46, 261,452.96 and 112,943.07

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Solution

The fourth proportional to 189,463.46, 261,452.96 and 112,943.07 is: 155,857.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,463.46 : 261,452.96 = 112,943.07 : x
  2. Step 2: Convert to fraction form
    189,463.46/261,452.96 = 112,943.07/x
  3. Step 3: Cross multiply
    189,463.46x = 261,452.96 × 112,943.07
  4. Step 4: Simplify right side
    189,463.46x = 29,529,298,655.72
  5. Step 5: Solve for x
    x = 29,529,298,655.72/189,463.46
  6. Step 6: Final answer
    x = 155,857.49

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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.