Home / 145,670.22-218,526.84-74,633.04

Finding the Fourth Proportional to 145,670.22, 218,526.84 and 74,633.04

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Solution

The fourth proportional to 145,670.22, 218,526.84 and 74,633.04 is: 111,960.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,670.22 : 218,526.84 = 74,633.04 : x
  2. Step 2: Convert to fraction form
    145,670.22/218,526.84 = 74,633.04/x
  3. Step 3: Cross multiply
    145,670.22x = 218,526.84 × 74,633.04
  4. Step 4: Simplify right side
    145,670.22x = 16,309,322,390.79
  5. Step 5: Solve for x
    x = 16,309,322,390.79/145,670.22
  6. Step 6: Final answer
    x = 111,960.58

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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.