Home / 272,815.86-409,224.47-95,322.81

Finding the Fourth Proportional to 272,815.86, 409,224.47 and 95,322.81

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Solution

The fourth proportional to 272,815.86, 409,224.47 and 95,322.81 is: 142,984.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,815.86 : 409,224.47 = 95,322.81 : x
  2. Step 2: Convert to fraction form
    272,815.86/409,224.47 = 95,322.81/x
  3. Step 3: Cross multiply
    272,815.86x = 409,224.47 × 95,322.81
  4. Step 4: Simplify right side
    272,815.86x = 39,008,425,924.55
  5. Step 5: Solve for x
    x = 39,008,425,924.55/272,815.86
  6. Step 6: Final answer
    x = 142,984.45

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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.