Home / 130,871.21-196,365.13-68,527.13

Finding the Fourth Proportional to 130,871.21, 196,365.13 and 68,527.13

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Solution

The fourth proportional to 130,871.21, 196,365.13 and 68,527.13 is: 102,821.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,871.21 : 196,365.13 = 68,527.13 : x
  2. Step 2: Convert to fraction form
    130,871.21/196,365.13 = 68,527.13/x
  3. Step 3: Cross multiply
    130,871.21x = 196,365.13 × 68,527.13
  4. Step 4: Simplify right side
    130,871.21x = 13,456,337,637.83
  5. Step 5: Solve for x
    x = 13,456,337,637.83/130,871.21
  6. Step 6: Final answer
    x = 102,821.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.