Home / 107,421.20-161,131.80-96,534.80

Finding the Fourth Proportional to 107,421.20, 161,131.80 and 96,534.80

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Solution

The fourth proportional to 107,421.20, 161,131.80 and 96,534.80 is: 144,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,421.20 : 161,131.80 = 96,534.80 : x
  2. Step 2: Convert to fraction form
    107,421.20/161,131.80 = 96,534.80/x
  3. Step 3: Cross multiply
    107,421.20x = 161,131.80 × 96,534.80
  4. Step 4: Simplify right side
    107,421.20x = 15,554,826,086.64
  5. Step 5: Solve for x
    x = 15,554,826,086.64/107,421.20
  6. Step 6: Final answer
    x = 144,802.20

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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.