Home / 243,030.22-364,556.28-74,538.30

Finding the Fourth Proportional to 243,030.22, 364,556.28 and 74,538.30

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Solution

The fourth proportional to 243,030.22, 364,556.28 and 74,538.30 is: 111,810.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,030.22 : 364,556.28 = 74,538.30 : x
  2. Step 2: Convert to fraction form
    243,030.22/364,556.28 = 74,538.30/x
  3. Step 3: Cross multiply
    243,030.22x = 364,556.28 × 74,538.30
  4. Step 4: Simplify right side
    243,030.22x = 27,173,405,365.52
  5. Step 5: Solve for x
    x = 27,173,405,365.52/243,030.22
  6. Step 6: Final answer
    x = 111,810.81

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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.