Home / 134,624.42-185,781.09-74,194.93

Finding the Fourth Proportional to 134,624.42, 185,781.09 and 74,194.93

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Solution

The fourth proportional to 134,624.42, 185,781.09 and 74,194.93 is: 102,388.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,624.42 : 185,781.09 = 74,194.93 : x
  2. Step 2: Convert to fraction form
    134,624.42/185,781.09 = 74,194.93/x
  3. Step 3: Cross multiply
    134,624.42x = 185,781.09 × 74,194.93
  4. Step 4: Simplify right side
    134,624.42x = 13,784,014,967.87
  5. Step 5: Solve for x
    x = 13,784,014,967.87/134,624.42
  6. Step 6: Final answer
    x = 102,388.67

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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.