Home / 134,616.15-185,771.55-74,189.01

Finding the Fourth Proportional to 134,616.15, 185,771.55 and 74,189.01

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Solution

The fourth proportional to 134,616.15, 185,771.55 and 74,189.01 is: 102,381.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,616.15 : 185,771.55 = 74,189.01 : x
  2. Step 2: Convert to fraction form
    134,616.15/185,771.55 = 74,189.01/x
  3. Step 3: Cross multiply
    134,616.15x = 185,771.55 × 74,189.01
  4. Step 4: Simplify right side
    134,616.15x = 13,782,207,380.67
  5. Step 5: Solve for x
    x = 13,782,207,380.67/134,616.15
  6. Step 6: Final answer
    x = 102,381.53

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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.