Home / 418,716.96-627,575.09-152,165.40

Finding the Fourth Proportional to 418,716.96, 627,575.09 and 152,165.40

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Solution

The fourth proportional to 418,716.96, 627,575.09 and 152,165.40 is: 228,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,716.96 : 627,575.09 = 152,165.40 : x
  2. Step 2: Convert to fraction form
    418,716.96/627,575.09 = 152,165.40/x
  3. Step 3: Cross multiply
    418,716.96x = 627,575.09 × 152,165.40
  4. Step 4: Simplify right side
    418,716.96x = 95,495,213,839.06
  5. Step 5: Solve for x
    x = 95,495,213,839.06/418,716.96
  6. Step 6: Final answer
    x = 228,066.27

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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.