Home / 107,359.20-161,038.80-37,245.60

Finding the Fourth Proportional to 107,359.20, 161,038.80 and 37,245.60

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Solution

The fourth proportional to 107,359.20, 161,038.80 and 37,245.60 is: 55,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,359.20 : 161,038.80 = 37,245.60 : x
  2. Step 2: Convert to fraction form
    107,359.20/161,038.80 = 37,245.60/x
  3. Step 3: Cross multiply
    107,359.20x = 161,038.80 × 37,245.60
  4. Step 4: Simplify right side
    107,359.20x = 5,997,986,729.28
  5. Step 5: Solve for x
    x = 5,997,986,729.28/107,359.20
  6. Step 6: Final answer
    x = 55,868.40

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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.