Home / 107,673.46-161,510.20-28,785.64

Finding the Fourth Proportional to 107,673.46, 161,510.20 and 28,785.64

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Solution

The fourth proportional to 107,673.46, 161,510.20 and 28,785.64 is: 43,178.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,673.46 : 161,510.20 = 28,785.64 : x
  2. Step 2: Convert to fraction form
    107,673.46/161,510.20 = 28,785.64/x
  3. Step 3: Cross multiply
    107,673.46x = 161,510.20 × 28,785.64
  4. Step 4: Simplify right side
    107,673.46x = 4,649,174,473.53
  5. Step 5: Solve for x
    x = 4,649,174,473.53/107,673.46
  6. Step 6: Final answer
    x = 43,178.46

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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.