Home / 189,562.72-261,595.92-114,115.36

Finding the Fourth Proportional to 189,562.72, 261,595.92 and 114,115.36

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Solution

The fourth proportional to 189,562.72, 261,595.92 and 114,115.36 is: 157,478.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,562.72 : 261,595.92 = 114,115.36 : x
  2. Step 2: Convert to fraction form
    189,562.72/261,595.92 = 114,115.36/x
  3. Step 3: Cross multiply
    189,562.72x = 261,595.92 × 114,115.36
  4. Step 4: Simplify right side
    189,562.72x = 29,852,112,585.33
  5. Step 5: Solve for x
    x = 29,852,112,585.33/189,562.72
  6. Step 6: Final answer
    x = 157,478.82

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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.