Home / 283,547.91-391,294.05-154,486.38

Finding the Fourth Proportional to 283,547.91, 391,294.05 and 154,486.38

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Solution

The fourth proportional to 283,547.91, 391,294.05 and 154,486.38 is: 213,190.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,547.91 : 391,294.05 = 154,486.38 : x
  2. Step 2: Convert to fraction form
    283,547.91/391,294.05 = 154,486.38/x
  3. Step 3: Cross multiply
    283,547.91x = 391,294.05 × 154,486.38
  4. Step 4: Simplify right side
    283,547.91x = 60,449,600,523.01
  5. Step 5: Solve for x
    x = 60,449,600,523.01/283,547.91
  6. Step 6: Final answer
    x = 213,190.08

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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.