Home / 145,494.20-218,177.67-73,402.75

Finding the Fourth Proportional to 145,494.20, 218,177.67 and 73,402.75

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Solution

The fourth proportional to 145,494.20, 218,177.67 and 73,402.75 is: 110,072.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,494.20 : 218,177.67 = 73,402.75 : x
  2. Step 2: Convert to fraction form
    145,494.20/218,177.67 = 73,402.75/x
  3. Step 3: Cross multiply
    145,494.20x = 218,177.67 × 73,402.75
  4. Step 4: Simplify right side
    145,494.20x = 16,014,841,939.50
  5. Step 5: Solve for x
    x = 16,014,841,939.50/145,494.20
  6. Step 6: Final answer
    x = 110,072.03

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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.