Home / 120,141.24-180,221.46-37,035

Finding the Fourth Proportional to 120,141.24, 180,221.46 and 37,035

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Solution

The fourth proportional to 120,141.24, 180,221.46 and 37,035 is: 55,555.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,141.24 : 180,221.46 = 37,035 : x
  2. Step 2: Convert to fraction form
    120,141.24/180,221.46 = 37,035/x
  3. Step 3: Cross multiply
    120,141.24x = 180,221.46 × 37,035
  4. Step 4: Simplify right side
    120,141.24x = 6,674,501,771.10
  5. Step 5: Solve for x
    x = 6,674,501,771.10/120,141.24
  6. Step 6: Final answer
    x = 55,555.46

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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.