Home / 107,683.12-161,424.84-98,824.24

Finding the Fourth Proportional to 107,683.12, 161,424.84 and 98,824.24

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Solution

The fourth proportional to 107,683.12, 161,424.84 and 98,824.24 is: 148,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,683.12 : 161,424.84 = 98,824.24 : x
  2. Step 2: Convert to fraction form
    107,683.12/161,424.84 = 98,824.24/x
  3. Step 3: Cross multiply
    107,683.12x = 161,424.84 × 98,824.24
  4. Step 4: Simplify right side
    107,683.12x = 15,952,687,130.12
  5. Step 5: Solve for x
    x = 15,952,687,130.12/107,683.12
  6. Step 6: Final answer
    x = 148,144.73

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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.