Home / 190,760.16-263,247.12-105,875.04

Finding the Fourth Proportional to 190,760.16, 263,247.12 and 105,875.04

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Solution

The fourth proportional to 190,760.16, 263,247.12 and 105,875.04 is: 146,106.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,760.16 : 263,247.12 = 105,875.04 : x
  2. Step 2: Convert to fraction form
    190,760.16/263,247.12 = 105,875.04/x
  3. Step 3: Cross multiply
    190,760.16x = 263,247.12 × 105,875.04
  4. Step 4: Simplify right side
    190,760.16x = 27,871,299,359.88
  5. Step 5: Solve for x
    x = 27,871,299,359.88/190,760.16
  6. Step 6: Final answer
    x = 146,106.50

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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.