Home / 283,956.51-391,867.38-154,897.17

Finding the Fourth Proportional to 283,956.51, 391,867.38 and 154,897.17

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Solution

The fourth proportional to 283,956.51, 391,867.38 and 154,897.17 is: 213,762.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,956.51 : 391,867.38 = 154,897.17 : x
  2. Step 2: Convert to fraction form
    283,956.51/391,867.38 = 154,897.17/x
  3. Step 3: Cross multiply
    283,956.51x = 391,867.38 × 154,897.17
  4. Step 4: Simplify right side
    283,956.51x = 60,699,148,177.31
  5. Step 5: Solve for x
    x = 60,699,148,177.31/283,956.51
  6. Step 6: Final answer
    x = 213,762.13

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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.