Home / 190,106.29-262,412.27-109,565.92

Finding the Fourth Proportional to 190,106.29, 262,412.27 and 109,565.92

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Solution

The fourth proportional to 190,106.29, 262,412.27 and 109,565.92 is: 151,238.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,106.29 : 262,412.27 = 109,565.92 : x
  2. Step 2: Convert to fraction form
    190,106.29/262,412.27 = 109,565.92/x
  3. Step 3: Cross multiply
    190,106.29x = 262,412.27 × 109,565.92
  4. Step 4: Simplify right side
    190,106.29x = 28,751,441,234.01
  5. Step 5: Solve for x
    x = 28,751,441,234.01/190,106.29
  6. Step 6: Final answer
    x = 151,238.77

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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.