Home / 192,015.72-264,831.96-123,111.76

Finding the Fourth Proportional to 192,015.72, 264,831.96 and 123,111.76

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Solution

The fourth proportional to 192,015.72, 264,831.96 and 123,111.76 is: 169,798.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,015.72 : 264,831.96 = 123,111.76 : x
  2. Step 2: Convert to fraction form
    192,015.72/264,831.96 = 123,111.76/x
  3. Step 3: Cross multiply
    192,015.72x = 264,831.96 × 123,111.76
  4. Step 4: Simplify right side
    192,015.72x = 32,603,928,084.29
  5. Step 5: Solve for x
    x = 32,603,928,084.29/192,015.72
  6. Step 6: Final answer
    x = 169,798.23

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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.