Home / 133,620.85-184,412.33-77,034.25

Finding the Fourth Proportional to 133,620.85, 184,412.33 and 77,034.25

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Solution

The fourth proportional to 133,620.85, 184,412.33 and 77,034.25 is: 106,316.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,620.85 : 184,412.33 = 77,034.25 : x
  2. Step 2: Convert to fraction form
    133,620.85/184,412.33 = 77,034.25/x
  3. Step 3: Cross multiply
    133,620.85x = 184,412.33 × 77,034.25
  4. Step 4: Simplify right side
    133,620.85x = 14,206,065,532.30
  5. Step 5: Solve for x
    x = 14,206,065,532.30/133,620.85
  6. Step 6: Final answer
    x = 106,316.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.