Home / 320,312.26-442,074.81-184,343.41

Finding the Fourth Proportional to 320,312.26, 442,074.81 and 184,343.41

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Solution

The fourth proportional to 320,312.26, 442,074.81 and 184,343.41 is: 254,419.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,312.26 : 442,074.81 = 184,343.41 : x
  2. Step 2: Convert to fraction form
    320,312.26/442,074.81 = 184,343.41/x
  3. Step 3: Cross multiply
    320,312.26x = 442,074.81 × 184,343.41
  4. Step 4: Simplify right side
    320,312.26x = 81,493,577,950.50
  5. Step 5: Solve for x
    x = 81,493,577,950.50/320,312.26
  6. Step 6: Final answer
    x = 254,419.17

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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.