Home / 385,032.53-531,131.58-223,869.77

Finding the Fourth Proportional to 385,032.53, 531,131.58 and 223,869.77

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Solution

The fourth proportional to 385,032.53, 531,131.58 and 223,869.77 is: 308,816.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,032.53 : 531,131.58 = 223,869.77 : x
  2. Step 2: Convert to fraction form
    385,032.53/531,131.58 = 223,869.77/x
  3. Step 3: Cross multiply
    385,032.53x = 531,131.58 × 223,869.77
  4. Step 4: Simplify right side
    385,032.53x = 118,904,301,998.68
  5. Step 5: Solve for x
    x = 118,904,301,998.68/385,032.53
  6. Step 6: Final answer
    x = 308,816.25

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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.