Home / 190,379.32-262,731.54-105,496.12

Finding the Fourth Proportional to 190,379.32, 262,731.54 and 105,496.12

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Solution

The fourth proportional to 190,379.32, 262,731.54 and 105,496.12 is: 145,589.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,379.32 : 262,731.54 = 105,496.12 : x
  2. Step 2: Convert to fraction form
    190,379.32/262,731.54 = 105,496.12/x
  3. Step 3: Cross multiply
    190,379.32x = 262,731.54 × 105,496.12
  4. Step 4: Simplify right side
    190,379.32x = 27,717,158,071.62
  5. Step 5: Solve for x
    x = 27,717,158,071.62/190,379.32
  6. Step 6: Final answer
    x = 145,589.12

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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.