Home / 243,375.44-365,097.76-74,909.81

Finding the Fourth Proportional to 243,375.44, 365,097.76 and 74,909.81

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Solution

The fourth proportional to 243,375.44, 365,097.76 and 74,909.81 is: 112,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,375.44 : 365,097.76 = 74,909.81 : x
  2. Step 2: Convert to fraction form
    243,375.44/365,097.76 = 74,909.81/x
  3. Step 3: Cross multiply
    243,375.44x = 365,097.76 × 74,909.81
  4. Step 4: Simplify right side
    243,375.44x = 27,349,402,511.47
  5. Step 5: Solve for x
    x = 27,349,402,511.47/243,375.44
  6. Step 6: Final answer
    x = 112,375.36

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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.