Home / 314,877.59-434,514.68-178,892.66

Finding the Fourth Proportional to 314,877.59, 434,514.68 and 178,892.66

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Solution

The fourth proportional to 314,877.59, 434,514.68 and 178,892.66 is: 246,862.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,877.59 : 434,514.68 = 178,892.66 : x
  2. Step 2: Convert to fraction form
    314,877.59/434,514.68 = 178,892.66/x
  3. Step 3: Cross multiply
    314,877.59x = 434,514.68 × 178,892.66
  4. Step 4: Simplify right side
    314,877.59x = 77,731,486,914.25
  5. Step 5: Solve for x
    x = 77,731,486,914.25/314,877.59
  6. Step 6: Final answer
    x = 246,862.56

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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.