Home / 190,695.16-263,165.25-105,820.12

Finding the Fourth Proportional to 190,695.16, 263,165.25 and 105,820.12

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Solution

The fourth proportional to 190,695.16, 263,165.25 and 105,820.12 is: 146,035.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,695.16 : 263,165.25 = 105,820.12 : x
  2. Step 2: Convert to fraction form
    190,695.16/263,165.25 = 105,820.12/x
  3. Step 3: Cross multiply
    190,695.16x = 263,165.25 × 105,820.12
  4. Step 4: Simplify right side
    190,695.16x = 27,848,178,334.83
  5. Step 5: Solve for x
    x = 27,848,178,334.83/190,695.16
  6. Step 6: Final answer
    x = 146,035.06

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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.